4228768066560 has 88 divisors (see below), whose sum is σ = 13525450412016. Its totient is φ = 1127671480320.

The previous prime is 4228768066547. The next prime is 4228768066561. The reversal of 4228768066560 is 656608678224.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 4228768066494 and 4228768066503.

It is not an unprimeable number, because it can be changed into a prime (4228768066561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137639851 + ... + 137670570.

Almost surely, 2^{4228768066560} is an apocalyptic number.

4228768066560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4228768066560 is an abundant number, since it is smaller than the sum of its proper divisors (9296682345456).

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

4228768066560 is a wasteful number, since it uses less digits than its factorization.

4228768066560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275310449 (or 275310431 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 60.

The spelling of 4228768066560 in words is "four trillion, two hundred twenty-eight billion, seven hundred sixty-eight million, sixty-six thousand, five hundred sixty".