25870366309264 has 45 divisors (see below), whose sum is σ = 50649766250547. Its totient is φ = 12800854182912.

The previous prime is 25870366309247. The next prime is 25870366309273. The reversal of 25870366309264 is 46290366307852.

The square root of 25870366309264 is 5086292.

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

It can be written as a sum of positive squares in 4 ways, for example, as 736266963600 + 25134099345664 = 858060^2 + 5013392^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1973474742 + ... + 1973487850.

Almost surely, 2^{25870366309264} is an apocalyptic number.

25870366309264 is the 5086292-nd square number.

It is an amenable number.

25870366309264 is a deficient number, since it is larger than the sum of its proper divisors (24779399941283).

25870366309264 is an frugal number, since it uses more digits than its factorization.

25870366309264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26420 (or 13208 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 61.

The spelling of 25870366309264 in words is "twenty-five trillion, eight hundred seventy billion, three hundred sixty-six million, three hundred nine thousand, two hundred sixty-four".