1402240404413 has 4 divisors (see below), whose sum is σ = 1428697770588. Its totient is φ = 1375783038240.

The previous prime is 1402240404401. The next prime is 1402240404419. The reversal of 1402240404413 is 3144040422041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 874847820889 + 527392583524 = 935333^2 + 726218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402240404413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402240404419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13228683008 + ... + 13228683113.

It is an arithmetic number, because the mean of its divisors is an integer number (357174442647).

Almost surely, 2^{1402240404413} is an apocalyptic number.

It is an amenable number.

1402240404413 is a deficient number, since it is larger than the sum of its proper divisors (26457366175).

1402240404413 is an equidigital number, since it uses as much as digits as its factorization.

1402240404413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26457366174.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1402240404413 its reverse (3144040422041), we get a palindrome (4546280826454).

The spelling of 1402240404413 in words is "one trillion, four hundred two billion, two hundred forty million, four hundred four thousand, four hundred thirteen".