402305316 has 96 divisors (see below), whose sum is σ = 1143260160. Its totient is φ = 107547264.

The previous prime is 402305311. The next prime is 402305327. The reversal of 402305316 is 613503204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (402305311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130950 + ... + 133986.

It is an arithmetic number, because the mean of its divisors is an integer number (11908960).

Almost surely, 2^402305316 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 402305316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571630080).

402305316 is an abundant number, since it is smaller than the sum of its proper divisors (740954844).

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

402305316 is a wasteful number, since it uses less digits than its factorization.

402305316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153 (or 3151 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 402305316 is about 20057.5500996508. The cubic root of 402305316 is about 738.2190652613.

The spelling of 402305316 in words is "four hundred two million, three hundred five thousand, three hundred sixteen".