332402240 has 28 divisors (see below), whose sum is σ = 791533596. Its totient is φ = 132960768.

The previous prime is 332402183. The next prime is 332402267. The reversal of 332402240 is 42204233.

It can be written as a sum of positive squares in 2 ways, for example, as 57638464 + 274763776 = 7592^2 + 16576^2 .

It is a super-2 number, since 2×332402240² = 220982498314035200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519059 + ... + 519698.

It is an arithmetic number, because the mean of its divisors is an integer number (28269057).

Almost surely, 2^332402240 is an apocalyptic number.

It is an amenable number.

332402240 is an abundant number, since it is smaller than the sum of its proper divisors (459131356).

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

332402240 is a wasteful number, since it uses less digits than its factorization.

332402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038774 (or 1038764 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 332402240 is about 18231.9017110119. The cubic root of 332402240 is about 692.7150882569.

Adding to 332402240 its reverse (42204233), we get a palindrome (374606473).

The spelling of 332402240 in words is "three hundred thirty-two million, four hundred two thousand, two hundred forty".