402310002 has 16 divisors (see below), whose sum is σ = 830575872. Its totient is φ = 129777360.

The previous prime is 402309977. The next prime is 402310003. The reversal of 402310002 is 200013204.

It is a self number, because there is not a number n which added to its sum of digits gives 402310002.

It is not an unprimeable number, because it can be changed into a prime (402310003) 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, 1081293 + ... + 1081664.

It is an arithmetic number, because the mean of its divisors is an integer number (51910992).

Almost surely, 2^402310002 is an apocalyptic number.

402310002 is an abundant number, since it is smaller than the sum of its proper divisors (428265870).

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

402310002 is a wasteful number, since it uses less digits than its factorization.

402310002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162993.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 402310002 is about 20057.6669131781. Note that the first 3 decimals coincide. The cubic root of 402310002 is about 738.2219314767.

Adding to 402310002 its reverse (200013204), we get a palindrome (602323206).

The spelling of 402310002 in words is "four hundred two million, three hundred ten thousand, two".