322789680 has 120 divisors (see below), whose sum is σ = 1091581920. Its totient is φ = 85478400.

The previous prime is 322789669. The next prime is 322789697. The reversal of 322789680 is 86987223.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107236 + ... + 110204.

It is an arithmetic number, because the mean of its divisors is an integer number (9096516).

Almost surely, 2^322789680 is an apocalyptic number.

322789680 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 322789680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545790960).

322789680 is an abundant number, since it is smaller than the sum of its proper divisors (768792240).

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

322789680 is a wasteful number, since it uses less digits than its factorization.

322789680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139 (or 3130 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 322789680 is about 17966.3485438750. The cubic root of 322789680 is about 685.9722496686.

The spelling of 322789680 in words is "three hundred twenty-two million, seven hundred eighty-nine thousand, six hundred eighty".