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44244240440 = 2351106106011
BaseRepresentation
bin101001001101001010…
…011000100000111000
311020012110100021211212
4221031022120200320
51211103011143230
632154151342252
73124261560431
oct511512304070
9136173307755
1044244240440
11178447a1774
1286a9381988
13423147ac3a
1421da13c488
15123e404895
hexa4d298838

44244240440 has 16 divisors (see below), whose sum is σ = 99549541080. Its totient is φ = 17697696160.

The previous prime is 44244240407. The next prime is 44244240449. The reversal of 44244240440 is 4404244244.

It is a super-2 number, since 2×442442404402 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44244240397 and 44244240406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44244240449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553052966 + ... + 553053045.

Almost surely, 244244240440 is an apocalyptic number.

44244240440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44244240440 is an abundant number, since it is smaller than the sum of its proper divisors (55305300640).

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

44244240440 is a wasteful number, since it uses less digits than its factorization.

44244240440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106106022 (or 1106106018 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 44244240440 its reverse (4404244244), we get a palindrome (48648484684).

The spelling of 44244240440 in words is "forty-four billion, two hundred forty-four million, two hundred forty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1106106011 2212212022 4424424044 5530530055 8848848088 11061060110 22122120220 44244240440