326328775380 has 48 divisors (see below), whose sum is σ = 1015245080640. Its totient is φ = 87021006624.

The previous prime is 326328775361. The next prime is 326328775403. The reversal of 326328775380 is 83577823623.

326328775380 is a `hidden beast` number, since 3 + 2 + 6 + 32 + 8 + 77 + 538 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 302155734 + ... + 302156813.

It is an arithmetic number, because the mean of its divisors is an integer number (21150939180).

Almost surely, 2^326328775380 is an apocalyptic number.

326328775380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

326328775380 is an abundant number, since it is smaller than the sum of its proper divisors (688916305260).

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

326328775380 is a wasteful number, since it uses less digits than its factorization.

326328775380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604312565 (or 604312557 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 326328775380 in words is "three hundred twenty-six billion, three hundred twenty-eight million, seven hundred seventy-five thousand, three hundred eighty".