2018912238 has 24 divisors (see below), whose sum is σ = 4999211568. Its totient is φ = 576832032.

The previous prime is 2018912177. The next prime is 2018912243. The reversal of 2018912238 is 8322198102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8011431 + ... + 8011682.

It is an arithmetic number, because the mean of its divisors is an integer number (208300482).

Almost surely, 2^2018912238 is an apocalyptic number.

2018912238 is an abundant number, since it is smaller than the sum of its proper divisors (2980299330).

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

2018912238 is a wasteful number, since it uses less digits than its factorization.

2018912238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16023128 (or 16023125 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 2018912238 is about 44932.3072855156. The cubic root of 2018912238 is about 1263.8799186084.

The spelling of 2018912238 in words is "two billion, eighteen million, nine hundred twelve thousand, two hundred thirty-eight".