2989900144 has 160 divisors (see below), whose sum is σ = 7499091456. Its totient is φ = 1120988160.

The previous prime is 2989900141. The next prime is 2989900163. The reversal of 2989900144 is 4410099892.

It is a junction number, because it is equal to n+sod(n) for n = 2989900094 and 2989900103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989900141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4877182 + ... + 4877794.

Almost surely, 2^2989900144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2989900144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3749545728).

2989900144 is an abundant number, since it is smaller than the sum of its proper divisors (4509191312).

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

2989900144 is a wasteful number, since it uses less digits than its factorization.

2989900144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 2989900144 is about 54679.9793708813. The cubic root of 2989900144 is about 1440.6292491685.

The spelling of 2989900144 in words is "two billion, nine hundred eighty-nine million, nine hundred thousand, one hundred forty-four".