18844178496 has 448 divisors, whose sum is σ = 63414005760. Its totient is φ = 4849827840.

The previous prime is 18844178429. The next prime is 18844178501. The reversal of 18844178496 is 69487144881.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 21936915 + ... + 21937773.

It is an arithmetic number, because the mean of its divisors is an integer number (141549120).

Almost surely, 2^18844178496 is an apocalyptic number.

18844178496 is a gapful number since it is divisible by the number (16) 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 18844178496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31707002880).

18844178496 is an abundant number, since it is smaller than the sum of its proper divisors (44569827264).

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

18844178496 is a wasteful number, since it uses less digits than its factorization.

18844178496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 952 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 60.

The spelling of 18844178496 in words is "eighteen billion, eight hundred forty-four million, one hundred seventy-eight thousand, four hundred ninety-six".