18098894744 has 32 divisors (see below), whose sum is σ = 38790151680. Its totient is φ = 7755308064.

The previous prime is 18098894731. The next prime is 18098894753. The reversal of 18098894744 is 44749889081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334769 + ... + 385055.

It is an arithmetic number, because the mean of its divisors is an integer number (1212192240).

Almost surely, 2^18098894744 is an apocalyptic number.

18098894744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18098894744 is an abundant number, since it is smaller than the sum of its proper divisors (20691256936).

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

18098894744 is a wasteful number, since it uses less digits than its factorization.

18098894744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56727 (or 56723 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 18098894744 in words is "eighteen billion, ninety-eight million, eight hundred ninety-four thousand, seven hundred forty-four".