2799444505 has 24 divisors (see below), whose sum is σ = 3976539336. Its totient is φ = 1879342080.

The previous prime is 2799444497. The next prime is 2799444569. The reversal of 2799444505 is 5054449972.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 139051264 + 2660393241 = 11792^2 + 51579^2 .

It is not a de Polignac number, because 2799444505 - 2³ = 2799444497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170104 + ... + 185833.

It is an arithmetic number, because the mean of its divisors is an integer number (165689139).

Almost surely, 2^2799444505 is an apocalyptic number.

It is an amenable number.

2799444505 is a deficient number, since it is larger than the sum of its proper divisors (1177094831).

2799444505 is a wasteful number, since it uses less digits than its factorization.

2799444505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355977 (or 355966 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The square root of 2799444505 is about 52909.7770265572. Note that the first 3 decimals coincide. The cubic root of 2799444505 is about 1409.3665321720.

The spelling of 2799444505 in words is "two billion, seven hundred ninety-nine million, four hundred forty-four thousand, five hundred five".