326418492816 has 100 divisors (see below), whose sum is σ = 1017422935452. Its totient is φ = 100436454144.

The previous prime is 326418492779. The next prime is 326418492817. The reversal of 326418492816 is 618294814623.

326418492816 is a `hidden beast` number, since 3 + 2 + 64 + 18 + 492 + 81 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 207848457216 + 118570035600 = 455904^2 + 344340^2 .

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

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

It is not an unprimeable number, because it can be changed into a prime (326418492817) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9670311 + ... + 9704006.

Almost surely, 2^326418492816 is an apocalyptic number.

326418492816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

326418492816 is an abundant number, since it is smaller than the sum of its proper divisors (691004442636).

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

326418492816 is a wasteful number, since it uses less digits than its factorization.

326418492816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19374350 (or 19374335 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 326418492816 in words is "three hundred twenty-six billion, four hundred eighteen million, four hundred ninety-two thousand, eight hundred sixteen".