402400202 has 24 divisors (see below), whose sum is σ = 641433312. Its totient is φ = 189297000.

The previous prime is 402400177. The next prime is 402400211. The reversal of 402400202 is 202004204.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107177 + ... + 110867.

It is an arithmetic number, because the mean of its divisors is an integer number (26726388).

Almost surely, 2^402400202 is an apocalyptic number.

402400202 is a deficient number, since it is larger than the sum of its proper divisors (239033110).

402400202 is a wasteful number, since it uses less digits than its factorization.

402400202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882 (or 3863 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 402400202 is about 20059.9153039089. The cubic root of 402400202 is about 738.2770984227.

Adding to 402400202 its reverse (202004204), we get a palindrome (604404406).

The spelling of 402400202 in words is "four hundred two million, four hundred thousand, two hundred two".