18558773003490 has 128 divisors (see below), whose sum is σ = 44815509446400. Its totient is φ = 4918630886400.

The previous prime is 18558773003447. The next prime is 18558773003527. The reversal of 18558773003490 is 9430037785581.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6163656085 + ... + 6163659095.

It is an arithmetic number, because the mean of its divisors is an integer number (350121167550).

Almost surely, 2^{18558773003490} is an apocalyptic number.

18558773003490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18558773003490 is an abundant number, since it is smaller than the sum of its proper divisors (26256736442910).

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

18558773003490 is a wasteful number, since it uses less digits than its factorization.

18558773003490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108.

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 18558773003490 in words is "eighteen trillion, five hundred fifty-eight billion, seven hundred seventy-three million, three thousand, four hundred ninety".