18452230992 has 120 divisors (see below), whose sum is σ = 55653771264. Its totient is φ = 5673445632.

The previous prime is 18452230991. The next prime is 18452231023. The reversal of 18452230992 is 29903225481.

18452230992 is a `hidden beast` number, since 1 + 8 + 4 + 522 + 30 + 9 + 92 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18452230991) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3409953 + ... + 3415359.

Almost surely, 2^18452230992 is an apocalyptic number.

18452230992 is a gapful number since it is divisible by the number (12) 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 18452230992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27826885632).

18452230992 is an abundant number, since it is smaller than the sum of its proper divisors (37201540272).

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

18452230992 is a wasteful number, since it uses less digits than its factorization.

18452230992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7257 (or 7248 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 18452230992 in words is "eighteen billion, four hundred fifty-two million, two hundred thirty thousand, nine hundred ninety-two".