332398440 has 96 divisors (see below), whose sum is σ = 1178517600. Its totient is φ = 80580480.

The previous prime is 332398411. The next prime is 332398447. The reversal of 332398440 is 44893233.

It is a happy number.

It is a super-2 number, since 2×332398440² = 220977445828867200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 332398395 and 332398404.

It is not an unprimeable number, because it can be changed into a prime (332398447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38010 + ... + 45929.

It is an arithmetic number, because the mean of its divisors is an integer number (12276225).

Almost surely, 2^332398440 is an apocalyptic number.

332398440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

332398440 is an abundant number, since it is smaller than the sum of its proper divisors (846119160).

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

332398440 is a wasteful number, since it uses less digits than its factorization.

332398440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83967 (or 83960 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 332398440 is about 18231.7974977784. The cubic root of 332398440 is about 692.7124485562.

The spelling of 332398440 in words is "three hundred thirty-two million, three hundred ninety-eight thousand, four hundred forty".