18054303998 has 32 divisors (see below), whose sum is σ = 28075880448. Its totient is φ = 8701560000.

The previous prime is 18054303979. The next prime is 18054304049. The reversal of 18054303998 is 89930345081.

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, 2610461 + ... + 2617367.

It is an arithmetic number, because the mean of its divisors is an integer number (877371264).

Almost surely, 2^18054303998 is an apocalyptic number.

18054303998 is a deficient number, since it is larger than the sum of its proper divisors (10021576450).

18054303998 is a wasteful number, since it uses less digits than its factorization.

18054303998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7328.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 18054303998 in words is "eighteen billion, fifty-four million, three hundred three thousand, nine hundred ninety-eight".