18327000390332 has 12 divisors (see below), whose sum is σ = 32072282266416. Its totient is φ = 9163491171360.

The previous prime is 18327000390323. The next prime is 18327000390337. The reversal of 18327000390332 is 23309300072381.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 18327000390332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18327000390337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4689857 + ... + 7658247.

It is an arithmetic number, because the mean of its divisors is an integer number (2672690188868).

Almost surely, 2^{18327000390332} is an apocalyptic number.

It is an amenable number.

18327000390332 is a deficient number, since it is larger than the sum of its proper divisors (13745281876084).

18327000390332 is a wasteful number, since it uses less digits than its factorization.

18327000390332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511908 (or 4511906 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 18327000390332 in words is "eighteen trillion, three hundred twenty-seven billion, three hundred ninety thousand, three hundred thirty-two".