25031234032 has 80 divisors (see below), whose sum is σ = 56435387904. Its totient is φ = 10533600000.

The previous prime is 25031234017. The next prime is 25031234141. The reversal of 25031234032 is 23043213052.

It is a junction number, because it is equal to n+sod(n) for n = 25031233988 and 25031234006.

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, 1989682 + ... + 2002222.

Almost surely, 2^25031234032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25031234032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28217693952).

25031234032 is an abundant number, since it is smaller than the sum of its proper divisors (31404153872).

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

25031234032 is a wasteful number, since it uses less digits than its factorization.

25031234032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12878 (or 12872 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 25031234032 its reverse (23043213052), we get a palindrome (48074447084).

The spelling of 25031234032 in words is "twenty-five billion, thirty-one million, two hundred thirty-four thousand, thirty-two".