25403434231232 has 28 divisors (see below), whose sum is σ = 50443569039000. Its totient is φ = 12693243607296.

The previous prime is 25403434231213. The next prime is 25403434231243. The reversal of 25403434231232 is 23213243430452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132301883 + ... + 132493754.

Almost surely, 2^{25403434231232} is an apocalyptic number.

It is an amenable number.

25403434231232 is a deficient number, since it is larger than the sum of its proper divisors (25040134807768).

25403434231232 is a wasteful number, since it uses less digits than its factorization.

25403434231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264797148 (or 264797138 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 38.

Adding to 25403434231232 its reverse (23213243430452), we get a palindrome (48616677661684).

The spelling of 25403434231232 in words is "twenty-five trillion, four hundred three billion, four hundred thirty-four million, two hundred thirty-one thousand, two hundred thirty-two".