25479408 has 40 divisors (see below), whose sum is σ = 66009168. Its totient is φ = 8468992.

The previous prime is 25479383. The next prime is 25479449. The reversal of 25479408 is 80497452.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 26260 + ... + 27212.

Almost surely, 2^25479408 is an apocalyptic number.

It is an amenable number.

25479408 is an abundant number, since it is smaller than the sum of its proper divisors (40529760).

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

25479408 is a wasteful number, since it uses less digits than its factorization.

25479408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521 (or 1515 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 25479408 is about 5047.7131455739. The cubic root of 25479408 is about 294.2590155725.

The spelling of 25479408 in words is "twenty-five million, four hundred seventy-nine thousand, four hundred eight".