25250134460 has 24 divisors (see below), whose sum is σ = 53028281040. Its totient is φ = 10099482624.

The previous prime is 25250134453. The next prime is 25250134517. The reversal of 25250134460 is 6443105252.

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, 625571 + ... + 664709.

It is an arithmetic number, because the mean of its divisors is an integer number (2209511710).

Almost surely, 2^25250134460 is an apocalyptic number.

25250134460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25250134460 is an abundant number, since it is smaller than the sum of its proper divisors (27778146580).

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

25250134460 is a wasteful number, since it uses less digits than its factorization.

25250134460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71405 (or 71403 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 25250134460 in words is "twenty-five billion, two hundred fifty million, one hundred thirty-four thousand, four hundred sixty".