402315052 has 12 divisors (see below), whose sum is σ = 720424936. Its totient is φ = 196479360.

The previous prime is 402315031. The next prime is 402315071. The reversal of 402315052 is 250513204.

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 3 ways as a sum of consecutive naturals, for example, 1169349 + ... + 1169692.

Almost surely, 2^402315052 is an apocalyptic number.

It is an amenable number.

402315052 is a deficient number, since it is larger than the sum of its proper divisors (318109884).

402315052 is a wasteful number, since it uses less digits than its factorization.

402315052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339088 (or 2339086 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 402315052 is about 20057.7927998073. The cubic root of 402315052 is about 738.2250203097.

Adding to 402315052 its reverse (250513204), we get a palindrome (652828256).

The spelling of 402315052 in words is "four hundred two million, three hundred fifteen thousand, fifty-two".