402304332 has 12 divisors (see below), whose sum is σ = 938710136. Its totient is φ = 134101440.

The previous prime is 402304319. The next prime is 402304363. The reversal of 402304332 is 233403204.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 402304299 and 402304308.

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, 16762669 + ... + 16762692.

Almost surely, 2^402304332 is an apocalyptic number.

It is an amenable number.

402304332 is an abundant number, since it is smaller than the sum of its proper divisors (536405804).

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

402304332 is a wasteful number, since it uses less digits than its factorization.

402304332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33525368 (or 33525366 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 402304332 is about 20057.5255702193. The cubic root of 402304332 is about 738.2184633899.

Adding to 402304332 its reverse (233403204), we get a palindrome (635707536).

The spelling of 402304332 in words is "four hundred two million, three hundred four thousand, three hundred thirty-two".