18042436274 has 8 divisors (see below), whose sum is σ = 27065216880. Its totient is φ = 9020697316.

The previous prime is 18042436213. The next prime is 18042436289. The reversal of 18042436274 is 47263424081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215564 + ... + 287319.

It is an arithmetic number, because the mean of its divisors is an integer number (3383152110).

Almost surely, 2^18042436274 is an apocalyptic number.

18042436274 is a deficient number, since it is larger than the sum of its proper divisors (9022780606).

18042436274 is a wasteful number, since it uses less digits than its factorization.

18042436274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520824.

The product of its (nonzero) digits is 258048, while the sum is 41.

The spelling of 18042436274 in words is "eighteen billion, forty-two million, four hundred thirty-six thousand, two hundred seventy-four".