39923240058256 has 15 divisors (see below), whose sum is σ = 77351326581153. Its totient is φ = 19961607392160.

The previous prime is 39923240058223. The next prime is 39923240058263. The reversal of 39923240058256 is 65285004232993.

The square root of 39923240058256 is 6318484.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1144223859856 + 38779016198400 = 1069684^2 + 6227280^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39923240058256.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 24484126 + ... + 26063746.

Almost surely, 2^{39923240058256} is an apocalyptic number.

39923240058256 is the 6318484-th square number.

It is an amenable number.

39923240058256 is a deficient number, since it is larger than the sum of its proper divisors (37428086522897).

39923240058256 is an frugal number, since it uses more digits than its factorization.

39923240058256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159250 (or 1579623 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 58.

The spelling of 39923240058256 in words is "thirty-nine trillion, nine hundred twenty-three billion, two hundred forty million, fifty-eight thousand, two hundred fifty-six".