18795228027408 has 360 divisors, whose sum is σ = 61818745150656. Its totient is φ = 5314784832000.

The previous prime is 18795228027403. The next prime is 18795228027419. The reversal of 18795228027408 is 80472082259781.

18795228027408 is a `hidden beast` number, since 1 + 8 + 7 + 9 + 522 + 80 + 27 + 4 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (18795228027403) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3000991285 + ... + 3000997547.

Almost surely, 2^{18795228027408} is an apocalyptic number.

18795228027408 is a gapful number since it is divisible by the number (18) 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 18795228027408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30909372575328).

18795228027408 is an abundant number, since it is smaller than the sum of its proper divisors (43023517123248).

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

18795228027408 is a wasteful number, since it uses less digits than its factorization.

18795228027408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10603 (or 10587 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 63.

The spelling of 18795228027408 in words is "eighteen trillion, seven hundred ninety-five billion, two hundred twenty-eight million, twenty-seven thousand, four hundred eight".