325851571232 has 72 divisors (see below), whose sum is σ = 705325719168. Its totient is φ = 148075790720.

The previous prime is 325851571223. The next prime is 325851571247. The reversal of 325851571232 is 232175158523.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19223753 + ... + 19240695.

It is an arithmetic number, because the mean of its divisors is an integer number (9796190544).

Almost surely, 2^325851571232 is an apocalyptic number.

325851571232 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 325851571232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352662859584).

325851571232 is an abundant number, since it is smaller than the sum of its proper divisors (379474147936).

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

325851571232 is a wasteful number, since it uses less digits than its factorization.

325851571232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21942 (or 21923 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The spelling of 325851571232 in words is "three hundred twenty-five billion, eight hundred fifty-one million, five hundred seventy-one thousand, two hundred thirty-two".