1240424223413 has 16 divisors (see below), whose sum is σ = 1319409000000. Its totient is φ = 1162120242432.

The previous prime is 1240424223383. The next prime is 1240424223419. The reversal of 1240424223413 is 3143224240421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1240424223413 - 2¹² = 1240424219317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1240424223413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240424223419) by changing a digit.

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, 3111938 + ... + 3487836.

It is an arithmetic number, because the mean of its divisors is an integer number (82463062500).

Almost surely, 2^{1240424223413} is an apocalyptic number.

It is an amenable number.

1240424223413 is a deficient number, since it is larger than the sum of its proper divisors (78984776587).

1240424223413 is a wasteful number, since it uses less digits than its factorization.

1240424223413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376804.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 1240424223413 its reverse (3143224240421), we get a palindrome (4383648463834).

The spelling of 1240424223413 in words is "one trillion, two hundred forty billion, four hundred twenty-four million, two hundred twenty-three thousand, four hundred thirteen".