2899203840 has 504 divisors, whose sum is σ = 11259823680. Its totient is φ = 710664192.

The previous prime is 2899203763. The next prime is 2899203871. The reversal of 2899203840 is 483029982.

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 55 ways as a sum of consecutive naturals, for example, 12130441 + ... + 12130679.

It is an arithmetic number, because the mean of its divisors is an integer number (22340920).

Almost surely, 2^2899203840 is an apocalyptic number.

2899203840 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 2899203840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5629911840).

2899203840 is an abundant number, since it is smaller than the sum of its proper divisors (8360619840).

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

2899203840 is an equidigital number, since it uses as much as digits as its factorization.

2899203840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 262 counting only the distinct ones).

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

The square root of 2899203840 is about 53844.2554038962. The cubic root of 2899203840 is about 1425.9126342197.

The spelling of 2899203840 in words is "two billion, eight hundred ninety-nine million, two hundred three thousand, eight hundred forty".