44857239057 has 12 divisors (see below), whose sum is σ = 68605189380. Its totient is φ = 28145718528.

The previous prime is 44857238999. The next prime is 44857239067. The reversal of 44857239057 is 75093275844.

It is a happy number.

44857239057 is a `hidden beast` number, since 4 + 485 + 7 + 23 + 90 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14553044496 + 30304194561 = 120636^2 + 174081^2 .

It is not a de Polignac number, because 44857239057 - 2¹⁶ = 44857173521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44857238994 and 44857239012.

It is not an unprimeable number, because it can be changed into a prime (44857239067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146592132 + ... + 146592437.

It is an arithmetic number, because the mean of its divisors is an integer number (5717099115).

Almost surely, 2^44857239057 is an apocalyptic number.

It is an amenable number.

44857239057 is a deficient number, since it is larger than the sum of its proper divisors (23747950323).

44857239057 is a wasteful number, since it uses less digits than its factorization.

44857239057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293184592 (or 293184589 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 44857239057 in words is "forty-four billion, eight hundred fifty-seven million, two hundred thirty-nine thousand, fifty-seven".