18049379058336 has 144 divisors (see below), whose sum is σ = 49581272797056. Its totient is φ = 5748820374528.

The previous prime is 18049379058281. The next prime is 18049379058377. The reversal of 18049379058336 is 63385097394081.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48210681 + ... + 48583623.

It is an arithmetic number, because the mean of its divisors is an integer number (344314394424).

Almost surely, 2^{18049379058336} is an apocalyptic number.

18049379058336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18049379058336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24790636398528).

18049379058336 is an abundant number, since it is smaller than the sum of its proper divisors (31531893738720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18049379058336 is a wasteful number, since it uses less digits than its factorization.

18049379058336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373955 (or 373924 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 66.

The spelling of 18049379058336 in words is "eighteen trillion, forty-nine billion, three hundred seventy-nine million, fifty-eight thousand, three hundred thirty-six".