2688214816280 has 64 divisors (see below), whose sum is σ = 6980993570880. Its totient is φ = 912548160000.

The previous prime is 2688214816267. The next prime is 2688214816297. The reversal of 2688214816280 is 826184128862.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47500271 + ... + 47556830.

It is an arithmetic number, because the mean of its divisors is an integer number (109078024545).

Almost surely, 2^{2688214816280} is an apocalyptic number.

2688214816280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2688214816280 is an abundant number, since it is smaller than the sum of its proper divisors (4292778754600).

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

2688214816280 is a wasteful number, since it uses less digits than its factorization.

2688214816280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95057220 (or 95057216 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 56.

The spelling of 2688214816280 in words is "two trillion, six hundred eighty-eight billion, two hundred fourteen million, eight hundred sixteen thousand, two hundred eighty".