18812025792 has 196 divisors, whose sum is σ = 63966329776. Its totient is φ = 5374771200.

The previous prime is 18812025737. The next prime is 18812025803. The reversal of 18812025792 is 29752021881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 297792 + ... + 355392.

Almost surely, 2^18812025792 is an apocalyptic number.

18812025792 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 18812025792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31983164888).

18812025792 is an abundant number, since it is smaller than the sum of its proper divisors (45154303984).

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

18812025792 is an frugal number, since it uses more digits than its factorization.

18812025792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57638 (or 57613 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 18812025792 in words is "eighteen billion, eight hundred twelve million, twenty-five thousand, seven hundred ninety-two".