1228268482560 has 416 divisors, whose sum is σ = 4990465697280. Its totient is φ = 280746196992.

The previous prime is 1228268482541. The next prime is 1228268482561. The reversal of 1228268482560 is 652848628221.

1228268482560 is a `hidden beast` number, since 1 + 22 + 82 + 6 + 8 + 482 + 5 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1228268482497 and 1228268482506.

It is not an unprimeable number, because it can be changed into a prime (1228268482561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3712059 + ... + 4029381.

Almost surely, 2^{1228268482560} is an apocalyptic number.

1228268482560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1228268482560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2495232848640).

1228268482560 is an abundant number, since it is smaller than the sum of its proper divisors (3762197214720).

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

1228268482560 is an equidigital number, since it uses as much as digits as its factorization.

1228268482560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317368 (or 317340 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 54.

The spelling of 1228268482560 in words is "one trillion, two hundred twenty-eight billion, two hundred sixty-eight million, four hundred eighty-two thousand, five hundred sixty".