2405999799 has 24 divisors (see below), whose sum is σ = 3983291520. Its totient is φ = 1370882448.

The previous prime is 2405999797. The next prime is 2405999861. The reversal of 2405999799 is 9979995042.

It is not a de Polignac number, because 2405999799 - 2¹ = 2405999797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405999797) 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 23 ways as a sum of consecutive naturals, for example, 33169 + ... + 76890.

It is an arithmetic number, because the mean of its divisors is an integer number (165970480).

Almost surely, 2^2405999799 is an apocalyptic number.

2405999799 is a deficient number, since it is larger than the sum of its proper divisors (1577291721).

2405999799 is a wasteful number, since it uses less digits than its factorization.

2405999799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110419 (or 110416 counting only the distinct ones).

The product of its (nonzero) digits is 16533720, while the sum is 63.

The square root of 2405999799 is about 49050.9918248347. The cubic root of 2405999799 is about 1339.9806559545.

The spelling of 2405999799 in words is "two billion, four hundred five million, nine hundred ninety-nine thousand, seven hundred ninety-nine".