2018390682 has 32 divisors (see below), whose sum is σ = 5032871424. Its totient is φ = 524257200.

The previous prime is 2018390641. The next prime is 2018390707. The reversal of 2018390682 is 2860938102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2018390682.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2183944 + ... + 2184867.

It is an arithmetic number, because the mean of its divisors is an integer number (157277232).

Almost surely, 2^2018390682 is an apocalyptic number.

2018390682 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2018390682 is an abundant number, since it is smaller than the sum of its proper divisors (3014480742).

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

2018390682 is a wasteful number, since it uses less digits than its factorization.

2018390682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4368834.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 2018390682 is about 44926.5031134185. The cubic root of 2018390682 is about 1263.7710743648.

The spelling of 2018390682 in words is "two billion, eighteen million, three hundred ninety thousand, six hundred eighty-two".