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1444054244540 = 225293351770067
BaseRepresentation
bin10101000000111000010…
…101110001110010111100
312010001100121211021221112
4111000320111301302330
5142124410341311130
63023220034021152
7206221003360535
oct25007025616274
95101317737845
101444054244540
11507468a7a256
121b3a4aa177b8
13a62348c11ab
144dc6d40b68c
152786aa34495
hex15038571cbc

1444054244540 has 48 divisors (see below), whose sum is σ = 3043772417952. Its totient is φ = 575478402816.

The previous prime is 1444054244509. The next prime is 1444054244573. The reversal of 1444054244540 is 454424504441.

It is a happy number.

It is a super-2 number, since 2×14440542445402 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20574587 + ... + 20644653.

It is an arithmetic number, because the mean of its divisors is an integer number (63411925374).

Almost surely, 21444054244540 is an apocalyptic number.

1444054244540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444054244540 is an abundant number, since it is smaller than the sum of its proper divisors (1599718173412).

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

1444054244540 is a wasteful number, since it uses less digits than its factorization.

1444054244540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73886 (or 73884 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 41.

Adding to 1444054244540 its reverse (454424504441), we get a palindrome (1898478748981).

The spelling of 1444054244540 in words is "one trillion, four hundred forty-four billion, fifty-four million, two hundred forty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 293 586 1172 1465 2930 3517 5860 7034 14068 17585 35170 70067 70340 140134 280268 350335 700670 1030481 1401340 2060962 4121924 5152405 10304810 20529631 20609620 41059262 82118524 102648155 205296310 246425639 410592620 492851278 985702556 1232128195 2464256390 4928512780 72202712227 144405424454 288810848908 361013561135 722027122270 1444054244540