18793036800 has 924 divisors, whose sum is σ = 74907181080. Its totient is φ = 4658135040.

The previous prime is 18793036741. The next prime is 18793036841. The reversal of 18793036800 is 863039781.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 354585574 + ... + 354585626.

Almost surely, 2^18793036800 is an apocalyptic number.

18793036800 is a gapful number since it is divisible by the number (10) 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 18793036800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37453590540).

18793036800 is an abundant number, since it is smaller than the sum of its proper divisors (56114144280).

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

18793036800 is an equidigital number, since it uses as much as digits as its factorization.

18793036800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 18793036800 in words is "eighteen billion, seven hundred ninety-three million, thirty-six thousand, eight hundred".