57162130656240 has 80 divisors (see below), whose sum is σ = 177203432959776. Its totient is φ = 15243163622400.

The previous prime is 57162130656193. The next prime is 57162130656271. The reversal of 57162130656240 is 4265603126175.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×57162130656240³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 57162130656240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68991630 + ... + 69815250.

Almost surely, 2^{57162130656240} is an apocalyptic number.

It is an amenable number.

57162130656240 is an abundant number, since it is smaller than the sum of its proper divisors (120041302303536).

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

57162130656240 is a wasteful number, since it uses less digits than its factorization.

57162130656240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112818 (or 1112812 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 57162130656240 in words is "fifty-seven trillion, one hundred sixty-two billion, one hundred thirty million, six hundred fifty-six thousand, two hundred forty".