2989249920 has 448 divisors, whose sum is σ = 11037114000. Its totient is φ = 773369856.

The previous prime is 2989249903. The next prime is 2989249951. The reversal of 2989249920 is 299429892.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 20062006 + ... + 20062154.

Almost surely, 2^2989249920 is an apocalyptic number.

2989249920 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 2989249920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5518557000).

2989249920 is an abundant number, since it is smaller than the sum of its proper divisors (8047864080).

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

2989249920 is an equidigital number, since it uses as much as digits as its factorization.

2989249920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 2989249920 is about 54674.0333247877. The cubic root of 2989249920 is about 1440.5248087100.

The spelling of 2989249920 in words is "two billion, nine hundred eighty-nine million, two hundred forty-nine thousand, nine hundred twenty".