4099909392 has 80 divisors (see below), whose sum is σ = 11872543680. Its totient is φ = 1354526208.

The previous prime is 4099909391. The next prime is 4099909453. The reversal of 4099909392 is 2939099904.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4099909391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6823 + ... + 90809.

It is an arithmetic number, because the mean of its divisors is an integer number (148406796).

Almost surely, 2^4099909392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4099909392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5936271840).

4099909392 is an abundant number, since it is smaller than the sum of its proper divisors (7772634288).

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

4099909392 is a wasteful number, since it uses less digits than its factorization.

4099909392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84117 (or 84105 counting only the distinct ones).

The product of its (nonzero) digits is 1417176, while the sum is 54.

The square root of 4099909392 is about 64030.5348408086. The cubic root of 4099909392 is about 1600.5088735543.

The spelling of 4099909392 in words is "four billion, ninety-nine million, nine hundred nine thousand, three hundred ninety-two".