25410236472 has 72 divisors (see below), whose sum is σ = 70142927400. Its totient is φ = 8310199872.

The previous prime is 25410236461. The next prime is 25410236483. The reversal of 25410236472 is 27463201452.

25410236472 is a `hidden beast` number, since 2 + 5 + 4 + 1 + 0 + 2 + 3 + 647 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (25410236461) and next prime (25410236483).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 139429 + ... + 265067.

It is an arithmetic number, because the mean of its divisors is an integer number (974207325).

Almost surely, 2^25410236472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25410236472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35071463700).

25410236472 is an abundant number, since it is smaller than the sum of its proper divisors (44732690928).

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

25410236472 is a wasteful number, since it uses less digits than its factorization.

25410236472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125757 (or 125697 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 25410236472 in words is "twenty-five billion, four hundred ten million, two hundred thirty-six thousand, four hundred seventy-two".