1366240804992 has 1408 divisors, whose sum is σ = 5203840896000. Its totient is φ = 355541114880.

The previous prime is 1366240804949. The next prime is 1366240805003. The reversal of 1366240804992 is 2994080426631.

1366240804992 is a `hidden beast` number, since 1 + 3 + 6 + 624 + 0 + 8 + 0 + 4 + 9 + 9 + 2 = 666.

It is a super-2 number, since 2×1366240804992² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 175 ways as a sum of consecutive naturals, for example, 44072284017 + ... + 44072284047.

Almost surely, 2^{1366240804992} is an apocalyptic number.

1366240804992 is a gapful number since it is divisible by the number (12) 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 1366240804992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2601920448000).

1366240804992 is an abundant number, since it is smaller than the sum of its proper divisors (3837600091008).

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

1366240804992 is an frugal number, since it uses more digits than its factorization.

1366240804992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 1366240804992 in words is "one trillion, three hundred sixty-six billion, two hundred forty million, eight hundred four thousand, nine hundred ninety-two".