2018405334 has 16 divisors (see below), whose sum is σ = 4403793600. Its totient is φ = 611637960.

The previous prime is 2018405329. The next prime is 2018405339. The reversal of 2018405334 is 4335048102.

It is an interprime number because it is at equal distance from previous prime (2018405329) and next prime (2018405339).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018405339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15290884 + ... + 15291015.

It is an arithmetic number, because the mean of its divisors is an integer number (275237100).

Almost surely, 2^2018405334 is an apocalyptic number.

2018405334 is an abundant number, since it is smaller than the sum of its proper divisors (2385388266).

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

2018405334 is a wasteful number, since it uses less digits than its factorization.

2018405334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30581915.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2018405334 is about 44926.6661794529. Note that the first 3 decimals coincide. The cubic root of 2018405334 is about 1263.7741323669.

The spelling of 2018405334 in words is "two billion, eighteen million, four hundred five thousand, three hundred thirty-four".