402272304 has 40 divisors (see below), whose sum is σ = 1187662080. Its totient is φ = 114934848.

The previous prime is 402272303. The next prime is 402272317. The reversal of 402272304 is 403272204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (402272303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598284 + ... + 598955.

It is an arithmetic number, because the mean of its divisors is an integer number (29691552).

Almost surely, 2^402272304 is an apocalyptic number.

It is an amenable number.

402272304 is an abundant number, since it is smaller than the sum of its proper divisors (785389776).

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

402272304 is a wasteful number, since it uses less digits than its factorization.

402272304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197257 (or 1197251 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 402272304 is about 20056.7271507592. The cubic root of 402272304 is about 738.1988726750.

The spelling of 402272304 in words is "four hundred two million, two hundred seventy-two thousand, three hundred four".