25262626512 has 40 divisors (see below), whose sum is σ = 65290481856. Its totient is φ = 8417172736.

The previous prime is 25262626507. The next prime is 25262626523. The reversal of 25262626512 is 21562626252.

It is a super-2 number, since 2×25262626512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4308 + ... + 224819.

Almost surely, 2^25262626512 is an apocalyptic number.

It is an amenable number.

25262626512 is an abundant number, since it is smaller than the sum of its proper divisors (40027855344).

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

25262626512 is a wasteful number, since it uses less digits than its factorization.

25262626512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231435 (or 231429 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The spelling of 25262626512 in words is "twenty-five billion, two hundred sixty-two million, six hundred twenty-six thousand, five hundred twelve".