25257834328 has 16 divisors (see below), whose sum is σ = 48459799080. Its totient is φ = 12335221248.

The previous prime is 25257834317. The next prime is 25257834361. The reversal of 25257834328 is 82343875252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36711625 + ... + 36712312.

Almost surely, 2^25257834328 is an apocalyptic number.

It is an amenable number.

25257834328 is a deficient number, since it is larger than the sum of its proper divisors (23201964752).

25257834328 is a wasteful number, since it uses less digits than its factorization.

25257834328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73423986 (or 73423982 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 49.

The spelling of 25257834328 in words is "twenty-five billion, two hundred fifty-seven million, eight hundred thirty-four thousand, three hundred twenty-eight".