57231982080 has 1120 divisors, whose sum is σ = 253969619904. Its totient is φ = 12039487488.

The previous prime is 57231982069. The next prime is 57231982097. The reversal of 57231982080 is 8028913275.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1120).

It is a super-2 number, since 2×57231982080² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 169827672 + ... + 169828008.

Almost surely, 2^57231982080 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 57231982080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126984809952).

57231982080 is an abundant number, since it is smaller than the sum of its proper divisors (196737637824).

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

57231982080 is an equidigital number, since it uses as much as digits as its factorization.

57231982080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 57231982080 in words is "fifty-seven billion, two hundred thirty-one million, nine hundred eighty-two thousand, eighty".