326920080 has 80 divisors (see below), whose sum is σ = 1066806720. Its totient is φ = 82589184.

The previous prime is 326920073. The next prime is 326920093. The reversal of 326920080 is 80029623.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31287 + ... + 40406.

It is an arithmetic number, because the mean of its divisors is an integer number (13335084).

Almost surely, 2^326920080 is an apocalyptic number.

326920080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

326920080 is an abundant number, since it is smaller than the sum of its proper divisors (739886640).

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

326920080 is a wasteful number, since it uses less digits than its factorization.

326920080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71728 (or 71722 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 326920080 is about 18080.9313919389. The cubic root of 326920080 is about 688.8857462376.

The spelling of 326920080 in words is "three hundred twenty-six million, nine hundred twenty thousand, eighty".