2690887296 has 128 divisors (see below), whose sum is σ = 7812840960. Its totient is φ = 816906240.

The previous prime is 2690887267. The next prime is 2690887301. The reversal of 2690887296 is 6927880962.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195720 + ... + 209016.

It is an arithmetic number, because the mean of its divisors is an integer number (61037820).

Almost surely, 2^2690887296 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 2690887296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3906420480).

2690887296 is an abundant number, since it is smaller than the sum of its proper divisors (5121953664).

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

2690887296 is a wasteful number, since it uses less digits than its factorization.

2690887296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13362 (or 13350 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The square root of 2690887296 is about 51873.7630792292. The cubic root of 2690887296 is about 1390.9083130385.

The spelling of 2690887296 in words is "two billion, six hundred ninety million, eight hundred eighty-seven thousand, two hundred ninety-six".