18281800308296 has 64 divisors (see below), whose sum is σ = 40495251456000. Its totient is φ = 7571767337280.

The previous prime is 18281800308263. The next prime is 18281800308301. The reversal of 18281800308296 is 69280300818281.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 6075176 + ... + 8571543.

It is an arithmetic number, because the mean of its divisors is an integer number (632738304000).

Almost surely, 2^{18281800308296} is an apocalyptic number.

It is an amenable number.

18281800308296 is an abundant number, since it is smaller than the sum of its proper divisors (22213451147704).

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

18281800308296 is a wasteful number, since it uses less digits than its factorization.

18281800308296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14647482 (or 14647478 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 56.

The spelling of 18281800308296 in words is "eighteen trillion, two hundred eighty-one billion, eight hundred million, three hundred eight thousand, two hundred ninety-six".