2057592779640 has 96 divisors (see below), whose sum is σ = 6917768863200. Its totient is φ = 529771011840.

The previous prime is 2057592779629. The next prime is 2057592779719. The reversal of 2057592779640 is 469772957502.

2057592779640 is a `hidden beast` number, since 205 + 75 + 9 + 277 + 96 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98533276 + ... + 98554155.

It is an arithmetic number, because the mean of its divisors is an integer number (72060092325).

Almost surely, 2^{2057592779640} is an apocalyptic number.

2057592779640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057592779640 is an abundant number, since it is smaller than the sum of its proper divisors (4860176083560).

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

2057592779640 is a wasteful number, since it uses less digits than its factorization.

2057592779640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197087477 (or 197087470 counting only the distinct ones).

The product of its (nonzero) digits is 66679200, while the sum is 63.

The spelling of 2057592779640 in words is "two trillion, fifty-seven billion, five hundred ninety-two million, seven hundred seventy-nine thousand, six hundred forty".