57640241880 has 144 divisors (see below), whose sum is σ = 202849526880. Its totient is φ = 14188352256.

The previous prime is 57640241873. The next prime is 57640241977. The reversal of 57640241880 is 8814204675.

57640241880 is a `hidden beast` number, since 576 + 40 + 24 + 18 + 8 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 412864 + ... + 534543.

It is an arithmetic number, because the mean of its divisors is an integer number (1408677270).

Almost surely, 2^57640241880 is an apocalyptic number.

It is an amenable number.

57640241880 is an abundant number, since it is smaller than the sum of its proper divisors (145209285000).

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

57640241880 is a wasteful number, since it uses less digits than its factorization.

57640241880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947450 (or 947430 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 57640241880 in words is "fifty-seven billion, six hundred forty million, two hundred forty-one thousand, eight hundred eighty".