18432024144 has 80 divisors (see below), whose sum is σ = 49198946304. Its totient is φ = 5940144000.

The previous prime is 18432024139. The next prime is 18432024161. The reversal of 18432024144 is 44142023481.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 1725219 + ... + 1735869.

Almost surely, 2^18432024144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18432024144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24599473152).

18432024144 is an abundant number, since it is smaller than the sum of its proper divisors (30766922160).

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

18432024144 is a wasteful number, since it uses less digits than its factorization.

18432024144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11856 (or 11850 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The spelling of 18432024144 in words is "eighteen billion, four hundred thirty-two million, twenty-four thousand, one hundred forty-four".