57640078338 has 32 divisors (see below), whose sum is σ = 116196949440. Its totient is φ = 19060654080.

The previous prime is 57640078313. The next prime is 57640078343. The reversal of 57640078338 is 83387004675.

57640078338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2952706 + ... + 2972162.

It is an arithmetic number, because the mean of its divisors is an integer number (3631154670).

Almost surely, 2^57640078338 is an apocalyptic number.

57640078338 is an abundant number, since it is smaller than the sum of its proper divisors (58556871102).

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

57640078338 is a wasteful number, since it uses less digits than its factorization.

57640078338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23362.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 57640078338 in words is "fifty-seven billion, six hundred forty million, seventy-eight thousand, three hundred thirty-eight".