2285989140 has 24 divisors (see below), whose sum is σ = 6400769760. Its totient is φ = 609597088.

The previous prime is 2285989129. The next prime is 2285989157. The reversal of 2285989140 is 419895822.

It is a self number, because there is not a number n which added to its sum of digits gives 2285989140.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 19049850 + ... + 19049969.

It is an arithmetic number, because the mean of its divisors is an integer number (266698740).

Almost surely, 2^2285989140 is an apocalyptic number.

2285989140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2285989140 is an abundant number, since it is smaller than the sum of its proper divisors (4114780620).

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

2285989140 is a wasteful number, since it uses less digits than its factorization.

2285989140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38099831 (or 38099829 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 2285989140 is about 47812.0187818921. The cubic root of 2285989140 is about 1317.3203098244.

The spelling of 2285989140 in words is "two billion, two hundred eighty-five million, nine hundred eighty-nine thousand, one hundred forty".