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44242222244440 = 23511828712133523
BaseRepresentation
bin10100000111100111100011…
…11100001110001001011000
312210122111220112111122112011
422003303301330032021120
521244331032343310230
6234032332445355304
712214252340131333
oct1203636174161130
9183574815448464
1044242222244440
1113108026079030
124b66532868b34
131b8c03cc8414c
14acd49929561a
1551ac95c95e2a
hex283cf1f0e258

44242222244440 has 64 divisors (see below), whose sum is σ = 108607658664960. Its totient is φ = 16086138126720.

The previous prime is 44242222244431. The next prime is 44242222244447. The reversal of 44242222244440 is 4444222224244.

It is a super-2 number, since 2×442422222444402 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 44242222244393 and 44242222244402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44242222244447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2420482 + ... + 9713041.

It is an arithmetic number, because the mean of its divisors is an integer number (1696994666640).

Almost surely, 244242222244440 is an apocalyptic number.

44242222244440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44242222244440 is an abundant number, since it is smaller than the sum of its proper divisors (64365436420520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44242222244440 is a wasteful number, since it uses less digits than its factorization.

44242222244440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12141832 (or 12141828 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 40.

Adding to 44242222244440 its reverse (4444222224244), we get a palindrome (48686444468684).

The spelling of 44242222244440 in words is "forty-four trillion, two hundred forty-two billion, two hundred twenty-two million, two hundred forty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 8287 16574 33148 41435 66296 82870 91157 165740 182314 331480 364628 455785 729256 911570 1823140 3646280 12133523 24267046 48534092 60667615 97068184 121335230 133468753 242670460 266937506 485340920 533875012 667343765 1067750024 1334687530 2669375060 5338750120 100550505101 201101010202 402202020404 502752525505 804404040808 1005505051010 1106055556111 2011010102020 2212111112222 4022020204040 4424222224444 5530277780555 8848444448888 11060555561110 22121111122220 44242222244440