57428628632 has 8 divisors (see below), whose sum is σ = 107678678700. Its totient is φ = 28714314312.

The previous prime is 57428628601. The next prime is 57428628671. The reversal of 57428628632 is 23682682475.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 3589289282 + ... + 3589289297.

Almost surely, 2^57428628632 is an apocalyptic number.

It is an amenable number.

57428628632 is a deficient number, since it is larger than the sum of its proper divisors (50250050068).

57428628632 is a wasteful number, since it uses less digits than its factorization.

57428628632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7178578585 (or 7178578581 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 53.

The spelling of 57428628632 in words is "fifty-seven billion, four hundred twenty-eight million, six hundred twenty-eight thousand, six hundred thirty-two".