2815559796 has 72 divisors (see below), whose sum is σ = 7716596160. Its totient is φ = 796618368.

The previous prime is 2815559759. The next prime is 2815559797. The reversal of 2815559796 is 6979555182.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2815559797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37320 + ... + 83808.

Almost surely, 2^2815559796 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 2815559796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3858298080).

2815559796 is an abundant number, since it is smaller than the sum of its proper divisors (4901036364).

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

2815559796 is a wasteful number, since it uses less digits than its factorization.

2815559796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46613 (or 46604 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 57.

The square root of 2815559796 is about 53061.8487804562. The cubic root of 2815559796 is about 1412.0657472723.

The spelling of 2815559796 in words is "two billion, eight hundred fifteen million, five hundred fifty-nine thousand, seven hundred ninety-six".