25458085452 has 48 divisors (see below), whose sum is σ = 60219194112. Its totient is φ = 8369956800.

The previous prime is 25458085447. The next prime is 25458085501.

25458085452 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25458085452² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278823 + ... + 358689.

It is an arithmetic number, because the mean of its divisors is an integer number (1254566544).

Almost surely, 2^25458085452 is an apocalyptic number.

It is an amenable number.

25458085452 is an abundant number, since it is smaller than the sum of its proper divisors (34761108660).

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

25458085452 is a wasteful number, since it uses less digits than its factorization.

25458085452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80238 (or 80236 counting only the distinct ones).

The product of its (nonzero) digits is 2560000, while the sum is 48.

The spelling of 25458085452 in words is "twenty-five billion, four hundred fifty-eight million, eighty-five thousand, four hundred fifty-two".