25648397707332 has 48 divisors (see below), whose sum is σ = 61473548287872. Its totient is φ = 8317070173440.

The previous prime is 25648397707291. The next prime is 25648397707399. The reversal of 25648397707332 is 23370779384652.

It is a happy number.

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, 1830969 + ... + 7392512.

It is an arithmetic number, because the mean of its divisors is an integer number (1280698922664).

Almost surely, 2^{25648397707332} is an apocalyptic number.

It is an amenable number.

25648397707332 is an abundant number, since it is smaller than the sum of its proper divisors (35825150580540).

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

25648397707332 is a wasteful number, since it uses less digits than its factorization.

25648397707332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9229788 (or 9229786 counting only the distinct ones).

The product of its (nonzero) digits is 320060160, while the sum is 66.

The spelling of 25648397707332 in words is "twenty-five trillion, six hundred forty-eight billion, three hundred ninety-seven million, seven hundred seven thousand, three hundred thirty-two".