57045839756444 has 144 divisors (see below), whose sum is σ = 138763808678880. Its totient is φ = 20196940861440.

The previous prime is 57045839756377. The next prime is 57045839756447. The reversal of 57045839756444 is 44465793854075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57045839756447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25771889 + ... + 27897704.

It is an arithmetic number, because the mean of its divisors is an integer number (963637560270).

Almost surely, 2^{57045839756444} is an apocalyptic number.

It is an amenable number.

57045839756444 is an abundant number, since it is smaller than the sum of its proper divisors (81717968922436).

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

57045839756444 is a wasteful number, since it uses less digits than its factorization.

57045839756444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53669668 (or 53669659 counting only the distinct ones).

The product of its (nonzero) digits is 2032128000, while the sum is 71.

The spelling of 57045839756444 in words is "fifty-seven trillion, forty-five billion, eight hundred thirty-nine million, seven hundred fifty-six thousand, four hundred forty-four".