57216246480 has 160 divisors (see below), whose sum is σ = 202404902400. Its totient is φ = 14845275648.

The previous prime is 57216246473. The next prime is 57216246481. The reversal of 57216246480 is 8464261275.

57216246480 is a `hidden beast` number, since 5 + 7 + 2 + 162 + 4 + 6 + 480 = 666.

It is a super-2 number, since 2×57216246480² (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 not an unprimeable number, because it can be changed into a prime (57216246481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278040 + ... + 437879.

It is an arithmetic number, because the mean of its divisors is an integer number (1265030640).

Almost surely, 2^57216246480 is an apocalyptic number.

It is an amenable number.

57216246480 is an abundant number, since it is smaller than the sum of its proper divisors (145188655920).

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

57216246480 is a wasteful number, since it uses less digits than its factorization.

57216246480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715978 (or 715966 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 57216246480 in words is "fifty-seven billion, two hundred sixteen million, two hundred forty-six thousand, four hundred eighty".