402013412 has 12 divisors (see below), whose sum is σ = 734111616. Its totient is φ = 192267240.

The previous prime is 402013387. The next prime is 402013439. The reversal of 402013412 is 214310204.

It is a super-2 number, since 2×402013412² = 323229566855763488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2184764 + ... + 2184947.

It is an arithmetic number, because the mean of its divisors is an integer number (61175968).

Almost surely, 2^402013412 is an apocalyptic number.

It is an amenable number.

402013412 is a deficient number, since it is larger than the sum of its proper divisors (332098204).

402013412 is a wasteful number, since it uses less digits than its factorization.

402013412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369738 (or 4369736 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 402013412 is about 20050.2721178542. The cubic root of 402013412 is about 738.0404768207.

Adding to 402013412 its reverse (214310204), we get a palindrome (616323616).

The spelling of 402013412 in words is "four hundred two million, thirteen thousand, four hundred twelve".