332440420 has 24 divisors (see below), whose sum is σ = 751827384. Its totient is φ = 122747136.

The previous prime is 332440391. The next prime is 332440429. The reversal of 332440420 is 24044233.

It can be written as a sum of positive squares in 4 ways, for example, as 34596 + 332405824 = 186^2 + 18232^2 .

It is a super-2 number, since 2×332440420² = 221033265699552800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 332440391 and 332440400.

It is not an unprimeable number, because it can be changed into a prime (332440429) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 639049 + ... + 639568.

It is an arithmetic number, because the mean of its divisors is an integer number (31326141).

Almost surely, 2^332440420 is an apocalyptic number.

It is an amenable number.

332440420 is an abundant number, since it is smaller than the sum of its proper divisors (419386964).

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

332440420 is a wasteful number, since it uses less digits than its factorization.

332440420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278639 (or 1278637 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 332440420 is about 18232.9487467058. The cubic root of 332440420 is about 692.7416091869.

Adding to 332440420 its reverse (24044233), we get a palindrome (356484653).

The spelling of 332440420 in words is "three hundred thirty-two million, four hundred forty thousand, four hundred twenty".