332440400 has 60 divisors (see below), whose sum is σ = 815727552. Its totient is φ = 130139520.

The previous prime is 332440391. The next prime is 332440429. The reversal of 332440400 is 4044233.

It is a happy number.

It is a super-2 number, since 2×332440400² = 221033239104320000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9959 + ... + 27641.

Almost surely, 2^332440400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 332440400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407863776).

332440400 is an abundant number, since it is smaller than the sum of its proper divisors (483287152).

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

332440400 is a wasteful number, since it uses less digits than its factorization.

332440400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17748 (or 17737 counting only the distinct ones).

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

The square root of 332440400 is about 18232.9481982481. The cubic root of 332440400 is about 692.7415952948.

Adding to 332440400 its reverse (4044233), we get a palindrome (336484633).

The spelling of 332440400 in words is "three hundred thirty-two million, four hundred forty thousand, four hundred".