2989203840 has 768 divisors, whose sum is σ = 12888720000. Its totient is φ = 635830272.

The previous prime is 2989203829. The next prime is 2989203859. The reversal of 2989203840 is 483029892.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33586516 + ... + 33586604.

Almost surely, 2^2989203840 is an apocalyptic number.

2989203840 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 2989203840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6444360000).

2989203840 is an abundant number, since it is smaller than the sum of its proper divisors (9899516160).

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

2989203840 is a wasteful number, since it uses less digits than its factorization.

2989203840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 2989203840 is about 54673.6119165361. The cubic root of 2989203840 is about 1440.5174066608.

The spelling of 2989203840 in words is "two billion, nine hundred eighty-nine million, two hundred three thousand, eight hundred forty".