2018250000 has 560 divisors, whose sum is σ = 8137395840. Its totient is φ = 475200000.

The previous prime is 2018249971. The next prime is 2018250011. The reversal of 2018250000 is 528102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 87749989 + ... + 87750011.

It is an arithmetic number, because the mean of its divisors is an integer number (14531064).

Almost surely, 2^2018250000 is an apocalyptic number.

2018250000 is a gapful number since it is divisible by the number (20) 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 2018250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4068697920).

2018250000 is an abundant number, since it is smaller than the sum of its proper divisors (6119145840).

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

2018250000 is an equidigital number, since it uses as much as digits as its factorization.

2018250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2018250000 is about 44924.9373956158. The cubic root of 2018250000 is about 1263.7417120326.

Adding to 2018250000 its reverse (528102), we get a palindrome (2018778102).

The spelling of 2018250000 in words is "two billion, eighteen million, two hundred fifty thousand".