326916422784 has 192 divisors, whose sum is σ = 1112201064000. Its totient is φ = 90183776256.

The previous prime is 326916422761. The next prime is 326916422809. The reversal of 326916422784 is 487224619623.

It is a happy number.

326916422784 is a `hidden beast` number, since 326 + 9 + 1 + 6 + 42 + 278 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 326916422784.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 465114 + ... + 932825.

It is an arithmetic number, because the mean of its divisors is an integer number (5792713875).

Almost surely, 2^326916422784 is an apocalyptic number.

It is an amenable number.

326916422784 is an abundant number, since it is smaller than the sum of its proper divisors (785284641216).

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

326916422784 is a wasteful number, since it uses less digits than its factorization.

326916422784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397995 (or 1397980 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

It can be divided in two parts, 326916 and 422784, that added together give a triangular number (749700 = T₁₂₂₄).

The spelling of 326916422784 in words is "three hundred twenty-six billion, nine hundred sixteen million, four hundred twenty-two thousand, seven hundred eighty-four".