25455214460 has 24 divisors (see below), whose sum is σ = 57567947136. Its totient is φ = 9398848320.

The previous prime is 25455214459. The next prime is 25455214471. The reversal of 25455214460 is 6441255452.

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, 48952076 + ... + 48952595.

It is an arithmetic number, because the mean of its divisors is an integer number (2398664464).

Almost surely, 2^25455214460 is an apocalyptic number.

25455214460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25455214460 is an abundant number, since it is smaller than the sum of its proper divisors (32112732676).

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

25455214460 is a wasteful number, since it uses less digits than its factorization.

25455214460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97904693 (or 97904691 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 25455214460 in words is "twenty-five billion, four hundred fifty-five million, two hundred fourteen thousand, four hundred sixty".