402000099 has 32 divisors (see below), whose sum is σ = 558144000. Its totient is φ = 257241600.

The previous prime is 402000089. The next prime is 402000113. The reversal of 402000099 is 990000204.

It is a de Polignac number, because none of the positive numbers 2^k-402000099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402000029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2020002 + ... + 2020200.

It is an arithmetic number, because the mean of its divisors is an integer number (17442000).

Almost surely, 2^402000099 is an apocalyptic number.

402000099 is a deficient number, since it is larger than the sum of its proper divisors (156143901).

402000099 is a wasteful number, since it uses less digits than its factorization.

402000099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 402000099 is about 20049.9401245989. The cubic root of 402000099 is about 738.0323297945.

The spelling of 402000099 in words is "four hundred two million, ninety-nine", and thus it is an aban number.