57440922768 has 40 divisors (see below), whose sum is σ = 164876724000. Its totient is φ = 19146974112.

The previous prime is 57440922757. The next prime is 57440922793. The reversal of 57440922768 is 86722904475.

57440922768 is a `hidden beast` number, since 5 + 7 + 4 + 409 + 227 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66482118 + ... + 66482981.

It is an arithmetic number, because the mean of its divisors is an integer number (4121918100).

Almost surely, 2^57440922768 is an apocalyptic number.

It is an amenable number.

57440922768 is an abundant number, since it is smaller than the sum of its proper divisors (107435801232).

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

57440922768 is a wasteful number, since it uses less digits than its factorization.

57440922768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132965116 (or 132965104 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 57440922768 in words is "fifty-seven billion, four hundred forty million, nine hundred twenty-two thousand, seven hundred sixty-eight".