25328735232 has 176 divisors, whose sum is σ = 71304379200. Its totient is φ = 7971471360.

The previous prime is 25328735221. The next prime is 25328735233. The reversal of 25328735232 is 23253782352.

Its product of digits (604800) is a multiple of the sum of its prime factors (1512).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25328735233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23871982 + ... + 23873042.

Almost surely, 2^25328735232 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 25328735232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35652189600).

25328735232 is an abundant number, since it is smaller than the sum of its proper divisors (45975643968).

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

25328735232 is a wasteful number, since it uses less digits than its factorization.

25328735232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1494 counting only the distinct ones).

The product of its digits is 604800, while the sum is 42.

The spelling of 25328735232 in words is "twenty-five billion, three hundred twenty-eight million, seven hundred thirty-five thousand, two hundred thirty-two".