18456625794048 has 352 divisors, whose sum is σ = 54380106658752. Its totient is φ = 5530484736000.

The previous prime is 18456625793999. The next prime is 18456625794067. The reversal of 18456625794048 is 84049752665481.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246008190 + ... + 246083202.

Almost surely, 2^{18456625794048} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18456625794048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27190053329376).

18456625794048 is an abundant number, since it is smaller than the sum of its proper divisors (35923480864704).

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

18456625794048 is a wasteful number, since it uses less digits than its factorization.

18456625794048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75211 (or 75193 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 69.

The spelling of 18456625794048 in words is "eighteen trillion, four hundred fifty-six billion, six hundred twenty-five million, seven hundred ninety-four thousand, forty-eight".