25262844964 has 48 divisors (see below), whose sum is σ = 50847713280. Its totient is φ = 10758061440.

The previous prime is 25262844947. The next prime is 25262845021. The reversal of 25262844964 is 46944826252.

It is a happy number.

It is a super-2 number, since 2×25262844964² (a number of 22 digits) contains 22 as substring.

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, 5971602 + ... + 5975830.

It is an arithmetic number, because the mean of its divisors is an integer number (1059327360).

Almost surely, 2^25262844964 is an apocalyptic number.

It is an amenable number.

25262844964 is an abundant number, since it is smaller than the sum of its proper divisors (25584868316).

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

25262844964 is a wasteful number, since it uses less digits than its factorization.

25262844964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548 (or 5546 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 52.

The spelling of 25262844964 in words is "twenty-five billion, two hundred sixty-two million, eight hundred forty-four thousand, nine hundred sixty-four".