4099778992 has 10 divisors (see below), whose sum is σ = 7943321828. Its totient is φ = 2049889488.

The previous prime is 4099778989. The next prime is 4099778999. The reversal of 4099778992 is 2998779904.

It is not an unprimeable number, because it can be changed into a prime (4099778999) 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 as a sum of consecutive naturals, namely, 128118078 + ... + 128118109.

Almost surely, 2^4099778992 is an apocalyptic number.

It is an amenable number.

4099778992 is a deficient number, since it is larger than the sum of its proper divisors (3843542836).

4099778992 is a wasteful number, since it uses less digits than its factorization.

4099778992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256236195 (or 256236189 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 64.

The square root of 4099778992 is about 64029.5165685327. The cubic root of 4099778992 is about 1600.4919050029.

The spelling of 4099778992 in words is "four billion, ninety-nine million, seven hundred seventy-eight thousand, nine hundred ninety-two".