18800379046 has 16 divisors (see below), whose sum is σ = 30018351600. Its totient is φ = 8805379968.

The previous prime is 18800379043. The next prime is 18800379079. The reversal of 18800379046 is 64097300881.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18800378987 and 18800379005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18800379043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2776095 + ... + 2782858.

It is an arithmetic number, because the mean of its divisors is an integer number (1876146975).

Almost surely, 2^18800379046 is an apocalyptic number.

18800379046 is a deficient number, since it is larger than the sum of its proper divisors (11217972554).

18800379046 is a wasteful number, since it uses less digits than its factorization.

18800379046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559063.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 18800379046 in words is "eighteen billion, eight hundred million, three hundred seventy-nine thousand, forty-six".