325023781632 has 288 divisors, whose sum is σ = 978690746880. Its totient is φ = 94855004160.

The previous prime is 325023781613. The next prime is 325023781651. The reversal of 325023781632 is 236187320523.

It is an interprime number because it is at equal distance from previous prime (325023781613) and next prime (325023781651).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111959893 + ... + 111962795.

It is an arithmetic number, because the mean of its divisors is an integer number (3398231760).

Almost surely, 2^325023781632 is an apocalyptic number.

325023781632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325023781632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489345373440).

325023781632 is an abundant number, since it is smaller than the sum of its proper divisors (653666965248).

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

325023781632 is a wasteful number, since it uses less digits than its factorization.

325023781632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419 (or 3405 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 325023781632 in words is "three hundred twenty-five billion, twenty-three million, seven hundred eighty-one thousand, six hundred thirty-two".