18094648320 has 880 divisors, whose sum is σ = 77611235328. Its totient is φ = 3941498880.

The previous prime is 18094648301. The next prime is 18094648321. The reversal of 18094648320 is 2384649081.

It is a happy number.

18094648320 is a `hidden beast` number, since 1 + 80 + 94 + 6 + 483 + 2 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (18094648321) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 66769785 + ... + 66770055.

Almost surely, 2^18094648320 is an apocalyptic number.

18094648320 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 18094648320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38805617664).

18094648320 is an abundant number, since it is smaller than the sum of its proper divisors (59516587008).

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

18094648320 is a wasteful number, since it uses less digits than its factorization.

18094648320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 18094648320 in words is "eighteen billion, ninety-four million, six hundred forty-eight thousand, three hundred twenty".