2899072440 has 384 divisors, whose sum is σ = 11038809600. Its totient is φ = 652354560.

The previous prime is 2899072417. The next prime is 2899072457. The reversal of 2899072440 is 442709982.

2899072440 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 3987357 + ... + 3988083.

It is an arithmetic number, because the mean of its divisors is an integer number (28746900).

Almost surely, 2^2899072440 is an apocalyptic number.

2899072440 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 2899072440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5519404800).

2899072440 is an abundant number, since it is smaller than the sum of its proper divisors (8139737160).

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

2899072440 is a wasteful number, since it uses less digits than its factorization.

2899072440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2899072440 is about 53843.0352041933. The cubic root of 2899072440 is about 1425.8910917824.

The spelling of 2899072440 in words is "two billion, eight hundred ninety-nine million, seventy-two thousand, four hundred forty".