18331254002 has 16 divisors (see below), whose sum is σ = 27915972000. Its totient is φ = 9026015328.

The previous prime is 18331253987. The next prime is 18331254013. The reversal of 18331254002 is 20045213381.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449318 + ... + 488414.

It is an arithmetic number, because the mean of its divisors is an integer number (1744748250).

Almost surely, 2^18331254002 is an apocalyptic number.

18331254002 is a deficient number, since it is larger than the sum of its proper divisors (9584717998).

18331254002 is a wasteful number, since it uses less digits than its factorization.

18331254002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42665.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 18331254002 its reverse (20045213381), we get a palindrome (38376467383).

The spelling of 18331254002 in words is "eighteen billion, three hundred thirty-one million, two hundred fifty-four thousand, two".