2688661222824 has 64 divisors (see below), whose sum is σ = 6727774752000. Its totient is φ = 895404513024.

The previous prime is 2688661222801. The next prime is 2688661222831. The reversal of 2688661222824 is 4282221668862.

It is a super-2 number, since 2×2688661222824² (a number of 26 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192081394 + ... + 192095390.

It is an arithmetic number, because the mean of its divisors is an integer number (105121480500).

Almost surely, 2^{2688661222824} is an apocalyptic number.

2688661222824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2688661222824 is an abundant number, since it is smaller than the sum of its proper divisors (4039113529176).

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

2688661222824 is a wasteful number, since it uses less digits than its factorization.

2688661222824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20722 (or 20718 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 57.

The spelling of 2688661222824 in words is "two trillion, six hundred eighty-eight billion, six hundred sixty-one million, two hundred twenty-two thousand, eight hundred twenty-four".