402340204 has 24 divisors (see below), whose sum is σ = 807236640. Its totient is φ = 171883776.

The previous prime is 402340193. The next prime is 402340231. The reversal of 402340204 is 402043204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13789 + ... + 31540.

It is an arithmetic number, because the mean of its divisors is an integer number (33634860).

Almost surely, 2^402340204 is an apocalyptic number.

It is an amenable number.

402340204 is an abundant number, since it is smaller than the sum of its proper divisors (404896436).

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

402340204 is a wasteful number, since it uses less digits than its factorization.

402340204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45657 (or 45655 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 402340204 is about 20058.4197782378. The cubic root of 402340204 is about 738.2404041477.

Adding to 402340204 its reverse (402043204), we get a palindrome (804383408).

The spelling of 402340204 in words is "four hundred two million, three hundred forty thousand, two hundred four".