18946704000 has 1024 divisors, whose sum is σ = 79188295680. Its totient is φ = 3907584000.

The previous prime is 18946703999. The next prime is 18946704037. The reversal of 18946704000 is 40764981.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 18946704000.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 177071947 + ... + 177072053.

It is an arithmetic number, because the mean of its divisors is an integer number (77332320).

Almost surely, 2^18946704000 is an apocalyptic number.

18946704000 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 18946704000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39594147840).

18946704000 is an abundant number, since it is smaller than the sum of its proper divisors (60241591680).

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

18946704000 is a wasteful number, since it uses less digits than its factorization.

18946704000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 18946704000 in words is "eighteen billion, nine hundred forty-six million, seven hundred four thousand".