402199312 has 20 divisors (see below), whose sum is σ = 779616396. Its totient is φ = 201008000.

The previous prime is 402199297. The next prime is 402199319. The reversal of 402199312 is 213991204.

It can be written as a sum of positive squares in 2 ways, for example, as 52359696 + 349839616 = 7236^2 + 18704^2 .

It is not an unprimeable number, because it can be changed into a prime (402199319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43062 + ... + 51562.

Almost surely, 2^402199312 is an apocalyptic number.

It is an amenable number.

402199312 is a deficient number, since it is larger than the sum of its proper divisors (377417084).

402199312 is a wasteful number, since it uses less digits than its factorization.

402199312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11466 (or 11460 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 402199312 is about 20054.9074293550. The cubic root of 402199312 is about 738.1542214352.

The spelling of 402199312 in words is "four hundred two million, one hundred ninety-nine thousand, three hundred twelve".