18441713472 has 112 divisors (see below), whose sum is σ = 60053841792. Its totient is φ = 4863744000.

The previous prime is 18441713417. The next prime is 18441713483. The reversal of 18441713472 is 27431714481.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510279 + ... + 545222.

It is an arithmetic number, because the mean of its divisors is an integer number (536195016).

Almost surely, 2^18441713472 is an apocalyptic number.

18441713472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18441713472 is an abundant number, since it is smaller than the sum of its proper divisors (41612128320).

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

18441713472 is a wasteful number, since it uses less digits than its factorization.

18441713472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055536 (or 1055526 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The spelling of 18441713472 in words is "eighteen billion, four hundred forty-one million, seven hundred thirteen thousand, four hundred seventy-two".