332320044 has 48 divisors (see below), whose sum is σ = 898684416. Its totient is φ = 93609600.

The previous prime is 332320003. The next prime is 332320049. The reversal of 332320044 is 440023233.

It is a super-2 number, since 2×332320044² = 220873223288323872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 332320044.

It is not an unprimeable number, because it can be changed into a prime (332320049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21897 + ... + 33824.

It is an arithmetic number, because the mean of its divisors is an integer number (18722592).

Almost surely, 2^332320044 is an apocalyptic number.

It is an amenable number.

332320044 is an abundant number, since it is smaller than the sum of its proper divisors (566364372).

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

332320044 is a wasteful number, since it uses less digits than its factorization.

332320044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55806 (or 55804 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 332320044 is about 18229.6473909947. The cubic root of 332320044 is about 692.6579856501.

Adding to 332320044 its reverse (440023233), we get a palindrome (772343277).

The spelling of 332320044 in words is "three hundred thirty-two million, three hundred twenty thousand, forty-four".