326855598256 has 480 divisors, whose sum is σ = 795753512960. Its totient is φ = 129330432000.

The previous prime is 326855598239. The next prime is 326855598299. The reversal of 326855598256 is 652895558623.

It is a super-2 number, since 2×326855598256² (a number of 24 digits) contains 22 as substring.

Its product of digits (155520000) is a multiple of the sum of its prime divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2573666065 + ... + 2573666191.

Almost surely, 2^326855598256 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 326855598256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397876756480).

326855598256 is an abundant number, since it is smaller than the sum of its proper divisors (468897914704).

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

326855598256 is a wasteful number, since it uses less digits than its factorization.

326855598256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 288 counting only the distinct ones).

The product of its digits is 155520000, while the sum is 64.

The spelling of 326855598256 in words is "three hundred twenty-six billion, eight hundred fifty-five million, five hundred ninety-eight thousand, two hundred fifty-six".