326813760000 has 2400 divisors, whose sum is σ = 1535542968960. Its totient is φ = 65028096000.

The previous prime is 326813759983. The next prime is 326813760089. The reversal of 326813760000 is 67318623.

It is a happy number.

326813760000 is a `hidden beast` number, since 32 + 6 + 8 + 13 + 7 + 600 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2400).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 7600319979 + ... + 7600320021.

Almost surely, 2^326813760000 is an apocalyptic number.

326813760000 is a gapful number since it is divisible by the number (30) 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 326813760000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767771484480).

326813760000 is an abundant number, since it is smaller than the sum of its proper divisors (1208729208960).

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

326813760000 is a wasteful number, since it uses less digits than its factorization.

326813760000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 326813760000 in words is "three hundred twenty-six billion, eight hundred thirteen million, seven hundred sixty thousand".