57044090880 has 540 divisors, whose sum is σ = 230177689560. Its totient is φ = 13030391808.

The previous prime is 57044090843. The next prime is 57044090881. The reversal of 57044090880 is 8809044075.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57044090881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36125931 + ... + 36127509.

Almost surely, 2^57044090880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57044090880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115088844780).

57044090880 is an abundant number, since it is smaller than the sum of its proper divisors (173133598680).

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

57044090880 is a wasteful number, since it uses less digits than its factorization.

57044090880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 57044090880 in words is "fifty-seven billion, forty-four million, ninety thousand, eight hundred eighty".