25298458994832 has 40 divisors (see below), whose sum is σ = 65355449858496. Its totient is φ = 8432678057856.

The previous prime is 25298458994813. The next prime is 25298458994833. The reversal of 25298458994832 is 23849985489252.

It is a super-2 number, since 2×25298458994832² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25298458994833) 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, 1517308 + ... + 7273179.

Almost surely, 2^{25298458994832} is an apocalyptic number.

It is an amenable number.

25298458994832 is an abundant number, since it is smaller than the sum of its proper divisors (40056990863664).

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

25298458994832 is a wasteful number, since it uses less digits than its factorization.

25298458994832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850455 (or 8850449 counting only the distinct ones).

The product of its digits is 3583180800, while the sum is 78.

The spelling of 25298458994832 in words is "twenty-five trillion, two hundred ninety-eight billion, four hundred fifty-eight million, nine hundred ninety-four thousand, eight hundred thirty-two".