40340213344 has 48 divisors (see below), whose sum is σ = 80059429296. Its totient is φ = 20007884800.

The previous prime is 40340213327. The next prime is 40340213387. The reversal of 40340213344 is 44331204304.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7936884 + ... + 7941964.

It is an arithmetic number, because the mean of its divisors is an integer number (1667904777).

Almost surely, 2^40340213344 is an apocalyptic number.

It is an amenable number.

40340213344 is a deficient number, since it is larger than the sum of its proper divisors (39719215952).

40340213344 is a wasteful number, since it uses less digits than its factorization.

40340213344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7039 (or 7031 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40340213344 its reverse (44331204304), we get a palindrome (84671417648).

The spelling of 40340213344 in words is "forty billion, three hundred forty million, two hundred thirteen thousand, three hundred forty-four".