18830184290 has 16 divisors (see below), whose sum is σ = 34358638968. Its totient is φ = 7428894336.

The previous prime is 18830184253. The next prime is 18830184301. The reversal of 18830184290 is 9248103881.

It can be written as a sum of positive squares in 4 ways, for example, as 14662061569 + 4168122721 = 121087^2 + 64561^2 .

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, 12896657 + ... + 12898116.

Almost surely, 2^18830184290 is an apocalyptic number.

18830184290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18830184290 is a deficient number, since it is larger than the sum of its proper divisors (15528454678).

18830184290 is a wasteful number, since it uses less digits than its factorization.

18830184290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25794853.

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 18830184290 in words is "eighteen billion, eight hundred thirty million, one hundred eighty-four thousand, two hundred ninety".