18245795928 has 64 divisors (see below), whose sum is σ = 46683648000. Its totient is φ = 5939926272.

The previous prime is 18245795863. The next prime is 18245795947. The reversal of 18245795928 is 82959754281.

It is a Cunningham number, because it is equal to 135077²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523428 + ... + 557196.

It is an arithmetic number, because the mean of its divisors is an integer number (729432000).

Almost surely, 2^18245795928 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 18245795928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23341824000).

18245795928 is an abundant number, since it is smaller than the sum of its proper divisors (28437852072).

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

18245795928 is a wasteful number, since it uses less digits than its factorization.

18245795928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34304 (or 34300 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 60.

The spelling of 18245795928 in words is "eighteen billion, two hundred forty-five million, seven hundred ninety-five thousand, nine hundred twenty-eight".