25250104408 has 32 divisors (see below), whose sum is σ = 48648015360. Its totient is φ = 12280597920.

The previous prime is 25250104349. The next prime is 25250104409. The reversal of 25250104408 is 80440105252.

It is a super-2 number, since 2×25250104408² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25250104408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25250104409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144708 + ... + 267283.

It is an arithmetic number, because the mean of its divisors is an integer number (1520250480).

Almost surely, 2^25250104408 is an apocalyptic number.

It is an amenable number.

25250104408 is a deficient number, since it is larger than the sum of its proper divisors (23397910952).

25250104408 is a wasteful number, since it uses less digits than its factorization.

25250104408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412207 (or 412203 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The spelling of 25250104408 in words is "twenty-five billion, two hundred fifty million, one hundred four thousand, four hundred eight".