2815681330 has 64 divisors (see below), whose sum is σ = 6522716160. Its totient is φ = 849297600.

The previous prime is 2815681327. The next prime is 2815681391. The reversal of 2815681330 is 331865182.

It is a super-2 number, since 2×2815681330² = 15856122704221137800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2815681330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35110 + ... + 82849.

It is an arithmetic number, because the mean of its divisors is an integer number (101917440).

Almost surely, 2^2815681330 is an apocalyptic number.

2815681330 is an abundant number, since it is smaller than the sum of its proper divisors (3707034830).

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

2815681330 is a wasteful number, since it uses less digits than its factorization.

2815681330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118015.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2815681330 is about 53062.9939788550. The cubic root of 2815681330 is about 1412.0860643130.

The spelling of 2815681330 in words is "two billion, eight hundred fifteen million, six hundred eighty-one thousand, three hundred thirty".