2728623632 has 20 divisors (see below), whose sum is σ = 6041952576. Its totient is φ = 1169410080.

The previous prime is 2728623613. The next prime is 2728623661. The reversal of 2728623632 is 2363268272.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2728623632.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12181244 + ... + 12181467.

Almost surely, 2^2728623632 is an apocalyptic number.

It is an amenable number.

2728623632 is an abundant number, since it is smaller than the sum of its proper divisors (3313328944).

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

2728623632 is a wasteful number, since it uses less digits than its factorization.

2728623632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24362726 (or 24362720 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The square root of 2728623632 is about 52236.2291135185. The cubic root of 2728623632 is about 1397.3800716121.

The spelling of 2728623632 in words is "two billion, seven hundred twenty-eight million, six hundred twenty-three thousand, six hundred thirty-two".