402869012 has 48 divisors (see below), whose sum is σ = 905463552. Its totient is φ = 152444160.

The previous prime is 402868997. The next prime is 402869023. The reversal of 402869012 is 210968204.

It is a super-2 number, since 2×402869012² = 324606881659712288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402869012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15689 + ... + 32432.

It is an arithmetic number, because the mean of its divisors is an integer number (18863824).

Almost surely, 2^402869012 is an apocalyptic number.

It is an amenable number.

402869012 is an abundant number, since it is smaller than the sum of its proper divisors (502594540).

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

402869012 is a wasteful number, since it uses less digits than its factorization.

402869012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48168 (or 48166 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 402869012 is about 20071.5971462163. The cubic root of 402869012 is about 738.5636931784.

The spelling of 402869012 in words is "four hundred two million, eight hundred sixty-nine thousand, twelve".