2992288728 has 128 divisors (see below), whose sum is σ = 9305694720. Its totient is φ = 787752960.

The previous prime is 2992288709. The next prime is 2992288729. The reversal of 2992288728 is 8278822992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2992288729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32701 + ... + 83987.

It is an arithmetic number, because the mean of its divisors is an integer number (72700740).

Almost surely, 2^2992288728 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 2992288728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4652847360).

2992288728 is an abundant number, since it is smaller than the sum of its proper divisors (6313405992).

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

2992288728 is a wasteful number, since it uses less digits than its factorization.

2992288728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51337 (or 51333 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 57.

The square root of 2992288728 is about 54701.8164963468. The cubic root of 2992288728 is about 1441.0127790388.

The spelling of 2992288728 in words is "two billion, nine hundred ninety-two million, two hundred eighty-eight thousand, seven hundred twenty-eight".