1800494018418 has 16 divisors (see below), whose sum is σ = 3608799296256. Its totient is φ = 598862796240.

The previous prime is 1800494018383. The next prime is 1800494018429. The reversal of 1800494018418 is 8148104940081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325466146 + ... + 325471677.

It is an arithmetic number, because the mean of its divisors is an integer number (225549956016).

Almost surely, 2^{1800494018418} is an apocalyptic number.

1800494018418 is an abundant number, since it is smaller than the sum of its proper divisors (1808305277838).

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

1800494018418 is a wasteful number, since it uses less digits than its factorization.

1800494018418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650938289.

The product of its (nonzero) digits is 294912, while the sum is 48.

Adding to 1800494018418 its reverse (8148104940081), we get a palindrome (9948598958499).

The spelling of 1800494018418 in words is "one trillion, eight hundred billion, four hundred ninety-four million, eighteen thousand, four hundred eighteen".