25732433934 has 24 divisors (see below), whose sum is σ = 57552111552. Its totient is φ = 8300784960.

The previous prime is 25732433929. The next prime is 25732433953. The reversal of 25732433934 is 43933423752.

25732433934 is a `hidden beast` number, since 2 + 573 + 2 + 43 + 3 + 9 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 25732433934.

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 11 ways as a sum of consecutive naturals, for example, 23057179 + ... + 23058294.

It is an arithmetic number, because the mean of its divisors is an integer number (2398004648).

Almost surely, 2^25732433934 is an apocalyptic number.

25732433934 is an abundant number, since it is smaller than the sum of its proper divisors (31819677618).

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

25732433934 is a wasteful number, since it uses less digits than its factorization.

25732433934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46115512 (or 46115509 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 45.

The spelling of 25732433934 in words is "twenty-five billion, seven hundred thirty-two million, four hundred thirty-three thousand, nine hundred thirty-four".