25452497934 has 24 divisors (see below), whose sum is σ = 55164539352. Its totient is φ = 8481479760.

The previous prime is 25452497929. The next prime is 25452497999. The reversal of 25452497934 is 43979425452.

It is a happy number.

25452497934 is a `hidden beast` number, since 2 + 545 + 2 + 4 + 9 + 7 + 93 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165004 + ... + 279519.

It is an arithmetic number, because the mean of its divisors is an integer number (2298522473).

Almost surely, 2^25452497934 is an apocalyptic number.

25452497934 is an abundant number, since it is smaller than the sum of its proper divisors (29712041418).

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

25452497934 is a wasteful number, since it uses less digits than its factorization.

25452497934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447712 (or 447709 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 25452497934 in words is "twenty-five billion, four hundred fifty-two million, four hundred ninety-seven thousand, nine hundred thirty-four".