25734025492 has 12 divisors (see below), whose sum is σ = 51468051040. Its totient is φ = 11028868056.

The previous prime is 25734025459. The next prime is 25734025517. The reversal of 25734025492 is 29452043752.

25734025492 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459536142 + ... + 459536197.

Almost surely, 2^25734025492 is an apocalyptic number.

It is an amenable number.

25734025492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25734025492 is a wasteful number, since it uses less digits than its factorization.

25734025492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919072350 (or 919072348 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 25734025492 in words is "twenty-five billion, seven hundred thirty-four million, twenty-five thousand, four hundred ninety-two".