2018885904 has 160 divisors (see below), whose sum is σ = 6910986240. Its totient is φ = 551726208.

The previous prime is 2018885899. The next prime is 2018885917. The reversal of 2018885904 is 4095888102.

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 2018885904.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55039 + ... + 84065.

It is an arithmetic number, because the mean of its divisors is an integer number (43193664).

Almost surely, 2^2018885904 is an apocalyptic number.

2018885904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2018885904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3455493120).

2018885904 is an abundant number, since it is smaller than the sum of its proper divisors (4892100336).

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

2018885904 is a wasteful number, since it uses less digits than its factorization.

2018885904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29074 (or 29062 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 2018885904 is about 44932.0142437438. The cubic root of 2018885904 is about 1263.8744233788.

The spelling of 2018885904 in words is "two billion, eighteen million, eight hundred eighty-five thousand, nine hundred four".