7344664438 has 16 divisors (see below), whose sum is σ = 11175693984. Its totient is φ = 3619465920.

The previous prime is 7344664421. The next prime is 7344664469. The reversal of 7344664438 is 8344664437.

It is a junction number, because it is equal to n+sod(n) for n = 7344664391 and 7344664400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604156 + ... + 616192.

It is an arithmetic number, because the mean of its divisors is an integer number (698480874).

Almost surely, 2^7344664438 is an apocalyptic number.

7344664438 is a deficient number, since it is larger than the sum of its proper divisors (3831029546).

7344664438 is a wasteful number, since it uses less digits than its factorization.

7344664438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16407.

The product of its digits is 4644864, while the sum is 49.

The square root of 7344664438 is about 85701.0177185779. The cubic root of 7344664438 is about 1943.8256988567.

Subtracting 7344664438 from its reverse (8344664437), we obtain a palindrome (999999999).

The spelling of 7344664438 in words is "seven billion, three hundred forty-four million, six hundred sixty-four thousand, four hundred thirty-eight".