18458483044 has 9 divisors (see below), whose sum is σ = 32302820851. Its totient is φ = 9229105660.

The previous prime is 18458482993. The next prime is 18458483051. The reversal of 18458483044 is 44038485481.

It is a happy number.

The square root of 18458483044 is 135862.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 237759 + ... + 305689.

Almost surely, 2^18458483044 is an apocalyptic number.

18458483044 is the 135862-nd square number.

It is an amenable number.

18458483044 is a deficient number, since it is larger than the sum of its proper divisors (13844337807).

18458483044 is an frugal number, since it uses more digits than its factorization.

18458483044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135866 (or 67933 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 49.

Multiplying 18458483044 by its sum of digits (49), we get a square (904465669156 = 951034²).

The spelling of 18458483044 in words is "eighteen billion, four hundred fifty-eight million, four hundred eighty-three thousand, forty-four".