25907989248 has 54 divisors (see below), whose sum is σ = 74699126684. Its totient is φ = 8635995648.

The previous prime is 25907989241. The next prime is 25907989313. The reversal of 25907989248 is 84298970952.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25907989241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5620090 + ... + 5624697.

Almost surely, 2^25907989248 is an apocalyptic number.

It is an amenable number.

25907989248 is an abundant number, since it is smaller than the sum of its proper divisors (48791137436).

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

25907989248 is a wasteful number, since it uses less digits than its factorization.

25907989248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11244809 (or 11244792 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 25907989248 in words is "twenty-five billion, nine hundred seven million, nine hundred eighty-nine thousand, two hundred forty-eight".