325787664384 has 480 divisors, whose sum is σ = 1188168119040. Its totient is φ = 85911404544.

The previous prime is 325787664383. The next prime is 325787664427. The reversal of 325787664384 is 483466787523.

It is a super-2 number, since 2×325787664384² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325787664383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40251442 + ... + 40259534.

It is an arithmetic number, because the mean of its divisors is an integer number (2475350248).

Almost surely, 2^325787664384 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 325787664384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594084059520).

325787664384 is an abundant number, since it is smaller than the sum of its proper divisors (862380454656).

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

325787664384 is an equidigital number, since it uses as much as digits as its factorization.

325787664384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150 (or 8118 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 63.

The spelling of 325787664384 in words is "three hundred twenty-five billion, seven hundred eighty-seven million, six hundred sixty-four thousand, three hundred eighty-four".