4002409904 has 40 divisors (see below), whose sum is σ = 8034999120. Its totient is φ = 1930143488.

The previous prime is 4002409903. The next prime is 4002409919. The reversal of 4002409904 is 4099042004.

It is not an unprimeable number, because it can be changed into a prime (4002409903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10034 + ... + 90030.

It is an arithmetic number, because the mean of its divisors is an integer number (200874978).

Almost surely, 2^4002409904 is an apocalyptic number.

It is an amenable number.

4002409904 is an abundant number, since it is smaller than the sum of its proper divisors (4032589216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4002409904 is a wasteful number, since it uses less digits than its factorization.

4002409904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80117 (or 80111 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 4002409904 is about 63264.6022985998. The cubic root of 4002409904 is about 1587.7197783138.

The spelling of 4002409904 in words is "four billion, two million, four hundred nine thousand, nine hundred four".