402000208 has 20 divisors (see below), whose sum is σ = 788262048. Its totient is φ = 198577760.

The previous prime is 402000199. The next prime is 402000239. The reversal of 402000208 is 802000204.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 402000191 and 402000200.

It is a congruent number.

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, 150028 + ... + 152683.

Almost surely, 2^402000208 is an apocalyptic number.

It is an amenable number.

402000208 is a deficient number, since it is larger than the sum of its proper divisors (386261840).

402000208 is a wasteful number, since it uses less digits than its factorization.

402000208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302802 (or 302796 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 402000208 is about 20049.9428428113. The cubic root of 402000208 is about 738.0323964989.

The spelling of 402000208 in words is "four hundred two million, two hundred eight", and thus it is an aban number.