18036886224 has 160 divisors (see below), whose sum is σ = 55179325440. Its totient is φ = 4970174976.

The previous prime is 18036886213. The next prime is 18036886229. The reversal of 18036886224 is 42268863081.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18036886229) 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 31 ways as a sum of consecutive naturals, for example, 1042089 + ... + 1059255.

It is an arithmetic number, because the mean of its divisors is an integer number (344870784).

Almost surely, 2^18036886224 is an apocalyptic number.

18036886224 is a gapful number since it is divisible by the number (14) 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 18036886224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27589662720).

18036886224 is an abundant number, since it is smaller than the sum of its proper divisors (37142439216).

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

18036886224 is a wasteful number, since it uses less digits than its factorization.

18036886224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17297 (or 17291 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 18036886224 in words is "eighteen billion, thirty-six million, eight hundred eighty-six thousand, two hundred twenty-four".