2815497216 has 264 divisors, whose sum is σ = 9784332480. Its totient is φ = 761757696.

The previous prime is 2815497079. The next prime is 2815497239. The reversal of 2815497216 is 6127945182.

2815497216 is a `hidden beast` number, since 2 + 81 + 549 + 7 + 21 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1224580 + ... + 1226876.

Almost surely, 2^2815497216 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 2815497216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4892166240).

2815497216 is an abundant number, since it is smaller than the sum of its proper divisors (6968835264).

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

2815497216 is a wasteful number, since it uses less digits than its factorization.

2815497216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2328 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 2815497216 is about 53061.2590879636. The cubic root of 2815497216 is about 1412.0552854416.

The spelling of 2815497216 in words is "two billion, eight hundred fifteen million, four hundred ninety-seven thousand, two hundred sixteen".