1326246380564 has 24 divisors (see below), whose sum is σ = 2724181756800. Its totient is φ = 553029378336.

The previous prime is 1326246380549. The next prime is 1326246380593. The reversal of 1326246380564 is 4650836426231.

It is a super-2 number, since 2×1326246380564² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 640079264 + ... + 640081335.

It is an arithmetic number, because the mean of its divisors is an integer number (113507573200).

Almost surely, 2^{1326246380564} is an apocalyptic number.

1326246380564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1326246380564 is an abundant number, since it is smaller than the sum of its proper divisors (1397935376236).

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

1326246380564 is a wasteful number, since it uses less digits than its factorization.

1326246380564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280160647 (or 1280160645 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 1326246380564 in words is "one trillion, three hundred twenty-six billion, two hundred forty-six million, three hundred eighty thousand, five hundred sixty-four".