332440144 has 20 divisors (see below), whose sum is σ = 646310196. Its totient is φ = 165650432.

The previous prime is 332440139. The next prime is 332440159. The reversal of 332440144 is 441044233.

It can be written as a sum of positive squares in 2 ways, for example, as 258823744 + 73616400 = 16088^2 + 8580^2 .

It is a super-2 number, since 2×332440144² = 221032898685481472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30769 + ... + 40144.

Almost surely, 2^332440144 is an apocalyptic number.

It is an amenable number.

332440144 is a deficient number, since it is larger than the sum of its proper divisors (313870052).

332440144 is a wasteful number, since it uses less digits than its factorization.

332440144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71214 (or 71208 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 332440144 is about 18232.9411779888. The cubic root of 332440144 is about 692.7414174766.

Adding to 332440144 its reverse (441044233), we get a palindrome (773484377).

The spelling of 332440144 in words is "three hundred thirty-two million, four hundred forty thousand, one hundred forty-four".