57041622640 has 40 divisors (see below), whose sum is σ = 132633729648. Its totient is φ = 22814592000.

The previous prime is 57041622629. The next prime is 57041622653. The reversal of 57041622640 is 4622614075.

57041622640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 57041622640.

It is a congruent number.

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, 1115064 + ... + 1165096.

Almost surely, 2^57041622640 is an apocalyptic number.

It is an amenable number.

57041622640 is an abundant number, since it is smaller than the sum of its proper divisors (75592107008).

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

57041622640 is a wasteful number, since it uses less digits than its factorization.

57041622640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64297 (or 64291 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 57041622640 in words is "fifty-seven billion, forty-one million, six hundred twenty-two thousand, six hundred forty".