4099395555 has 32 divisors (see below), whose sum is σ = 7716513600. Its totient is φ = 2057734656.

The previous prime is 4099395541. The next prime is 4099395563. The reversal of 4099395555 is 5555939904.

It is a happy number.

It is not a de Polignac number, because 4099395555 - 2¹² = 4099391459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 890820 + ... + 895409.

It is an arithmetic number, because the mean of its divisors is an integer number (241141050).

Almost surely, 2^4099395555 is an apocalyptic number.

4099395555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4099395555 is a deficient number, since it is larger than the sum of its proper divisors (3617118045).

4099395555 is a wasteful number, since it uses less digits than its factorization.

4099395555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786260 (or 1786254 counting only the distinct ones).

The product of its (nonzero) digits is 5467500, while the sum is 54.

The square root of 4099395555 is about 64026.5222778811. The cubic root of 4099395555 is about 1600.4420074394.

The spelling of 4099395555 in words is "four billion, ninety-nine million, three hundred ninety-five thousand, five hundred fifty-five".