57058077440 has 432 divisors, whose sum is σ = 172812024000. Its totient is φ = 18034458624.

The previous prime is 57058077407. The next prime is 57058077469. The reversal of 57058077440 is 4477085075.

It is a happy number.

It is a super-2 number, since 2×57058077440² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74197376 + ... + 74198144.

Almost surely, 2^57058077440 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 57058077440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86406012000).

57058077440 is an abundant number, since it is smaller than the sum of its proper divisors (115753946560).

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

57058077440 is an equidigital number, since it uses as much as digits as its factorization.

57058077440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 1097600, while the sum is 47.

The spelling of 57058077440 in words is "fifty-seven billion, fifty-eight million, seventy-seven thousand, four hundred forty".