40013221413 has 16 divisors (see below), whose sum is σ = 58281140736. Its totient is φ = 24217065840.

The previous prime is 40013221379. The next prime is 40013221459. The reversal of 40013221413 is 31412231004.

It is not a de Polignac number, because 40013221413 - 2¹⁰ = 40013220389 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40013221413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013221613) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 809931 + ... + 857912.

It is an arithmetic number, because the mean of its divisors is an integer number (3642571296).

Almost surely, 2^40013221413 is an apocalyptic number.

It is an amenable number.

40013221413 is a deficient number, since it is larger than the sum of its proper divisors (18267919323).

40013221413 is a wasteful number, since it uses less digits than its factorization.

40013221413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668584.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 40013221413 its reverse (31412231004), we get a palindrome (71425452417).

The spelling of 40013221413 in words is "forty billion, thirteen million, two hundred twenty-one thousand, four hundred thirteen".