18473774592 has 480 divisors, whose sum is σ = 62695987200. Its totient is φ = 4790403072.

The previous prime is 18473774581. The next prime is 18473774617. The reversal of 18473774592 is 29547737481.

Its product of digits (11854080) is a multiple of the sum of its prime divisors (343).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77296009 + ... + 77296247.

It is an arithmetic number, because the mean of its divisors is an integer number (130616640).

Almost surely, 2^18473774592 is an apocalyptic number.

18473774592 is a gapful number since it is divisible by the number (12) 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 18473774592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31347993600).

18473774592 is an abundant number, since it is smaller than the sum of its proper divisors (44222212608).

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

18473774592 is a wasteful number, since it uses less digits than its factorization.

18473774592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 343 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 57.

The spelling of 18473774592 in words is "eighteen billion, four hundred seventy-three million, seven hundred seventy-four thousand, five hundred ninety-two".