18450012254 has 8 divisors (see below), whose sum is σ = 27685601328. Its totient is φ = 9221478480.

The previous prime is 18450012253. The next prime is 18450012283. The reversal of 18450012254 is 45221005481.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18450012254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18450012253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1757282 + ... + 1767749.

It is an arithmetic number, because the mean of its divisors is an integer number (3460700166).

Almost surely, 2^18450012254 is an apocalyptic number.

18450012254 is a deficient number, since it is larger than the sum of its proper divisors (9235589074).

18450012254 is a wasteful number, since it uses less digits than its factorization.

18450012254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527650.

The product of its (nonzero) digits is 12800, while the sum is 32.

The spelling of 18450012254 in words is "eighteen billion, four hundred fifty million, twelve thousand, two hundred fifty-four".