25434204732 has 36 divisors (see below), whose sum is σ = 65251606056. Its totient is φ = 8351529120.

The previous prime is 25434204703. The next prime is 25434204739. The reversal of 25434204732 is 23740243452.

25434204732 is a `hidden beast` number, since 2 + 543 + 42 + 0 + 4 + 73 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25434204739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5270019 + ... + 5274842.

Almost surely, 2^25434204732 is an apocalyptic number.

It is an amenable number.

25434204732 is an abundant number, since it is smaller than the sum of its proper divisors (39817401324).

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

25434204732 is a wasteful number, since it uses less digits than its factorization.

25434204732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10544938 (or 10544933 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 36.

Subtracting from 25434204732 its product of nonzero digits (161280), we obtain a palindrome (25434043452).

The spelling of 25434204732 in words is "twenty-five billion, four hundred thirty-four million, two hundred four thousand, seven hundred thirty-two".