18299052844 has 12 divisors (see below), whose sum is σ = 32627556864. Its totient is φ = 8976893744.

The previous prime is 18299052833. The next prime is 18299052857. The reversal of 18299052844 is 44825099281.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18299052791 and 18299052800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43157932 + ... + 43158355.

It is an arithmetic number, because the mean of its divisors is an integer number (2718963072).

Almost surely, 2^18299052844 is an apocalyptic number.

It is an amenable number.

18299052844 is a deficient number, since it is larger than the sum of its proper divisors (14328504020).

18299052844 is a wasteful number, since it uses less digits than its factorization.

18299052844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86316344 (or 86316342 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 18299052844 in words is "eighteen billion, two hundred ninety-nine million, fifty-two thousand, eight hundred forty-four".