326812080 has 160 divisors (see below), whose sum is σ = 1226064384. Its totient is φ = 70299648.

The previous prime is 326812069. The next prime is 326812081. The reversal of 326812080 is 80218623.

It is a super-2 number, since 2×326812080² = 213612271267852800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (326812081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22839 + ... + 34281.

Almost surely, 2^326812080 is an apocalyptic number.

326812080 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 326812080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613032192).

326812080 is an abundant number, since it is smaller than the sum of its proper divisors (899252304).

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

326812080 is a wasteful number, since it uses less digits than its factorization.

326812080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11483 (or 11477 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 326812080 is about 18077.9445734298. The cubic root of 326812080 is about 688.8098787097.

The spelling of 326812080 in words is "three hundred twenty-six million, eight hundred twelve thousand, eighty".