2250189720 has 112 divisors (see below), whose sum is σ = 7591016160. Its totient is φ = 600042816.

The previous prime is 2250189713. The next prime is 2250189737. The reversal of 2250189720 is 279810522.

2250189720 is a `hidden beast` number, since 2 + 2 + 501 + 89 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 9424 + ... + 67743.

It is an arithmetic number, because the mean of its divisors is an integer number (67776930).

Almost surely, 2^2250189720 is an apocalyptic number.

2250189720 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 2250189720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3795508080).

2250189720 is an abundant number, since it is smaller than the sum of its proper divisors (5340826440).

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

2250189720 is an equidigital number, since it uses as much as digits as its factorization.

2250189720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77196 (or 77177 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 2250189720 is about 47436.1646847635. The cubic root of 2250189720 is about 1310.4075262217.

The spelling of 2250189720 in words is "two billion, two hundred fifty million, one hundred eighty-nine thousand, seven hundred twenty".