18342324858 has 64 divisors (see below), whose sum is σ = 43828646400. Its totient is φ = 5043744960.

The previous prime is 18342324841. The next prime is 18342324863. The reversal of 18342324858 is 85842324381.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130548 + ... + 231791.

It is an arithmetic number, because the mean of its divisors is an integer number (684822600).

Almost surely, 2^18342324858 is an apocalyptic number.

18342324858 is an abundant number, since it is smaller than the sum of its proper divisors (25486321542).

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

18342324858 is a wasteful number, since it uses less digits than its factorization.

18342324858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362427.

The product of its digits is 1474560, while the sum is 48.

The spelling of 18342324858 in words is "eighteen billion, three hundred forty-two million, three hundred twenty-four thousand, eight hundred fifty-eight".