4099031928 has 24 divisors (see below), whose sum is σ = 11101545000. Its totient is φ = 1366343952.

The previous prime is 4099031921. The next prime is 4099031929. The reversal of 4099031928 is 8291309904.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099031921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28465428 + ... + 28465571.

It is an arithmetic number, because the mean of its divisors is an integer number (462564375).

Almost surely, 2^4099031928 is an apocalyptic number.

It is an amenable number.

4099031928 is an abundant number, since it is smaller than the sum of its proper divisors (7002513072).

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

4099031928 is a wasteful number, since it uses less digits than its factorization.

4099031928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56931011 (or 56931004 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 4099031928 is about 64023.6825557543. The cubic root of 4099031928 is about 1600.3946849235.

The spelling of 4099031928 in words is "four billion, ninety-nine million, thirty-one thousand, nine hundred twenty-eight".