326609835552 has 1200 divisors, whose sum is σ = 1320067469952. Its totient is φ = 78094679040.

The previous prime is 326609835547. The next prime is 326609835571. The reversal of 326609835552 is 255538906623.

326609835552 is a `hidden beast` number, since 3 + 2 + 6 + 6 + 0 + 9 + 83 + 5 + 552 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 889944873 + ... + 889945239.

Almost surely, 2^326609835552 is an apocalyptic number.

326609835552 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 326609835552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660033734976).

326609835552 is an abundant number, since it is smaller than the sum of its proper divisors (993457634400).

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

326609835552 is a wasteful number, since it uses less digits than its factorization.

326609835552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 326609835552 in words is "three hundred twenty-six billion, six hundred nine million, eight hundred thirty-five thousand, five hundred fifty-two".