40344403334 has 32 divisors (see below), whose sum is σ = 62923512960. Its totient is φ = 19387573632.

The previous prime is 40344403289. The next prime is 40344403381. The reversal of 40344403334 is 43330444304.

It is a self number, because there is not a number n which added to its sum of digits gives 40344403334.

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, 1335869 + ... + 1365735.

It is an arithmetic number, because the mean of its divisors is an integer number (1966359780).

Almost surely, 2^40344403334 is an apocalyptic number.

40344403334 is a deficient number, since it is larger than the sum of its proper divisors (22579109626).

40344403334 is a wasteful number, since it uses less digits than its factorization.

40344403334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30164.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 40344403334 its reverse (43330444304), we get a palindrome (83674847638).

The spelling of 40344403334 in words is "forty billion, three hundred forty-four million, four hundred three thousand, three hundred thirty-four".