402855616 has 28 divisors (see below), whose sum is σ = 800118288. Its totient is φ = 201251072.

The previous prime is 402855601. The next prime is 402855619. The reversal of 402855616 is 616558204.

It is not an unprimeable number, because it can be changed into a prime (402855619) 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, 100890 + ... + 104806.

Almost surely, 2^402855616 is an apocalyptic number.

It is an amenable number.

402855616 is a deficient number, since it is larger than the sum of its proper divisors (397262672).

402855616 is a wasteful number, since it uses less digits than its factorization.

402855616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5536 (or 5526 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 402855616 is about 20071.2634380599. The cubic root of 402855616 is about 738.5555069702. Note that the first 4 decimals are identical.

The spelling of 402855616 in words is "four hundred two million, eight hundred fifty-five thousand, six hundred sixteen".