25406103260 has 12 divisors (see below), whose sum is σ = 53352816888. Its totient is φ = 10162441296.

The previous prime is 25406103259. The next prime is 25406103263. The reversal of 25406103260 is 6230160452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25406103263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635152562 + ... + 635152601.

It is an arithmetic number, because the mean of its divisors is an integer number (4446068074).

Almost surely, 2^25406103260 is an apocalyptic number.

25406103260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25406103260 is an abundant number, since it is smaller than the sum of its proper divisors (27946713628).

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

25406103260 is a wasteful number, since it uses less digits than its factorization.

25406103260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270305172 (or 1270305170 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 25406103260 in words is "twenty-five billion, four hundred six million, one hundred three thousand, two hundred sixty".