4099815804 has 48 divisors (see below), whose sum is σ = 10939622400. Its totient is φ = 1170649536.

The previous prime is 4099815743. The next prime is 4099815809. The reversal of 4099815804 is 4085189904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099815809) 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 15 ways as a sum of consecutive naturals, for example, 129277 + ... + 157835.

It is an arithmetic number, because the mean of its divisors is an integer number (227908800).

Almost surely, 2^4099815804 is an apocalyptic number.

It is an amenable number.

4099815804 is an abundant number, since it is smaller than the sum of its proper divisors (6839806596).

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

4099815804 is a wasteful number, since it uses less digits than its factorization.

4099815804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30282 (or 30280 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 4099815804 is about 64029.8040290613. The cubic root of 4099815804 is about 1600.4966952718.

The spelling of 4099815804 in words is "four billion, ninety-nine million, eight hundred fifteen thousand, eight hundred four".