18451104234 has 32 divisors (see below), whose sum is σ = 37034483904. Its totient is φ = 6128363520.

The previous prime is 18451104233. The next prime is 18451104251. The reversal of 18451104234 is 43240115481.

It is a junction number, because it is equal to n+sod(n) for n = 18451104195 and 18451104204.

It is not an unprimeable number, because it can be changed into a prime (18451104233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2006872 + ... + 2016044.

It is an arithmetic number, because the mean of its divisors is an integer number (1157327622).

Almost surely, 2^18451104234 is an apocalyptic number.

18451104234 is an abundant number, since it is smaller than the sum of its proper divisors (18583379670).

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

18451104234 is a wasteful number, since it uses less digits than its factorization.

18451104234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10342.

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 18451104234 in words is "eighteen billion, four hundred fifty-one million, one hundred four thousand, two hundred thirty-four".