42038500256 has 12 divisors (see below), whose sum is σ = 82763297442. Its totient is φ = 21019250112.

The previous prime is 42038500249. The next prime is 42038500261. The reversal of 42038500256 is 65200583024.

It can be written as a sum of positive squares in only one way, i.e., 28128656656 + 13909843600 = 167716^2 + 117940^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656851535 + ... + 656851598.

Almost surely, 2^42038500256 is an apocalyptic number.

It is an amenable number.

42038500256 is a deficient number, since it is larger than the sum of its proper divisors (40724797186).

42038500256 is a wasteful number, since it uses less digits than its factorization.

42038500256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313703143 (or 1313703135 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 42038500256 in words is "forty-two billion, thirty-eight million, five hundred thousand, two hundred fifty-six".