4000402899 has 24 divisors (see below), whose sum is σ = 6145215440. Its totient is φ = 2500512768.

The previous prime is 4000402891. The next prime is 4000402907. The reversal of 4000402899 is 9982040004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4000402891) and next prime (4000402907).

It is not a de Polignac number, because 4000402899 - 2³ = 4000402891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4000402891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104002 + ... + 137175.

Almost surely, 2^4000402899 is an apocalyptic number.

4000402899 is a deficient number, since it is larger than the sum of its proper divisors (2144812541).

4000402899 is a wasteful number, since it uses less digits than its factorization.

4000402899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241299 (or 241296 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 4000402899 is about 63248.7383194321. The cubic root of 4000402899 is about 1587.4543470369.

The spelling of 4000402899 in words is "four billion, four hundred two thousand, eight hundred ninety-nine".