1240809798336 has 28 divisors (see below), whose sum is σ = 3282975925272. Its totient is φ = 413603266048.

The previous prime is 1240809798307. The next prime is 1240809798367. The reversal of 1240809798336 is 6338979080421.

It is a super-3 number, since 3×1240809798336³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1240809798336.

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 3 ways as a sum of consecutive naturals, for example, 3231275325 + ... + 3231275708.

Almost surely, 2^{1240809798336} is an apocalyptic number.

1240809798336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1240809798336 is an abundant number, since it is smaller than the sum of its proper divisors (2042166126936).

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

1240809798336 is an equidigital number, since it uses as much as digits as its factorization.

1240809798336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462551048 (or 6462551038 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 1240809798336 in words is "one trillion, two hundred forty billion, eight hundred nine million, seven hundred ninety-eight thousand, three hundred thirty-six".