25430524734 has 32 divisors (see below), whose sum is σ = 52624185120. Its totient is φ = 8183089152.

The previous prime is 25430524727. The next prime is 25430524751. The reversal of 25430524734 is 43742503452.

It is a junction number, because it is equal to n+sod(n) for n = 25430524692 and 25430524701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1444674 + ... + 1462170.

It is an arithmetic number, because the mean of its divisors is an integer number (1644505785).

Almost surely, 2^25430524734 is an apocalyptic number.

25430524734 is an abundant number, since it is smaller than the sum of its proper divisors (27193660386).

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

25430524734 is a wasteful number, since it uses less digits than its factorization.

25430524734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25884.

The product of its (nonzero) digits is 403200, while the sum is 39.

The spelling of 25430524734 in words is "twenty-five billion, four hundred thirty million, five hundred twenty-four thousand, seven hundred thirty-four".