2018504128 has 28 divisors (see below), whose sum is σ = 4103168832. Its totient is φ = 984634880.

The previous prime is 2018504123. The next prime is 2018504149. The reversal of 2018504128 is 8214058102.

It is a self number, because there is not a number n which added to its sum of digits gives 2018504128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018504123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382000 + ... + 387247.

It is an arithmetic number, because the mean of its divisors is an integer number (146541744).

Almost surely, 2^2018504128 is an apocalyptic number.

It is an amenable number.

2018504128 is an abundant number, since it is smaller than the sum of its proper divisors (2084664704).

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

2018504128 is an equidigital number, since it uses as much as digits as its factorization.

2018504128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769300 (or 769290 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 2018504128 is about 44927.7656689046. The cubic root of 2018504128 is about 1263.7947511631.

The spelling of 2018504128 in words is "two billion, eighteen million, five hundred four thousand, one hundred twenty-eight".