1224282326640 has 80 divisors (see below), whose sum is σ = 3825159364608. Its totient is φ = 323904607488.

The previous prime is 1224282326623. The next prime is 1224282326677. The reversal of 1224282326640 is 466232824221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1224282326592 and 1224282326601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20052892 + ... + 20113851.

Almost surely, 2^{1224282326640} is an apocalyptic number.

1224282326640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224282326640 is an abundant number, since it is smaller than the sum of its proper divisors (2600877037968).

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

1224282326640 is a wasteful number, since it uses less digits than its factorization.

1224282326640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40166886 (or 40166880 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 1224282326640 in words is "one trillion, two hundred twenty-four billion, two hundred eighty-two million, three hundred twenty-six thousand, six hundred forty".