18794880000 has 660 divisors, whose sum is σ = 73323097848. Its totient is φ = 4608000000.

The previous prime is 18794879977. The next prime is 18794880017. The reversal of 18794880000 is 8849781.

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 59 ways as a sum of consecutive naturals, for example, 74879875 + ... + 74880125.

Almost surely, 2^18794880000 is an apocalyptic number.

18794880000 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 18794880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36661548924).

18794880000 is an abundant number, since it is smaller than the sum of its proper divisors (54528217848).

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

18794880000 is a wasteful number, since it uses less digits than its factorization.

18794880000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 18794880000 in words is "eighteen billion, seven hundred ninety-four million, eight hundred eighty thousand".