7443320456 has 32 divisors (see below), whose sum is σ = 16396128000. Its totient is φ = 3123071040.

The previous prime is 7443320449. The next prime is 7443320459. The reversal of 7443320456 is 6540233447.

It is not an unprimeable number, because it can be changed into a prime (7443320459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252056 + ... + 3254343.

It is an arithmetic number, because the mean of its divisors is an integer number (512379000).

Almost surely, 2^7443320456 is an apocalyptic number.

It is an amenable number.

7443320456 is an abundant number, since it is smaller than the sum of its proper divisors (8952807544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7443320456 is a wasteful number, since it uses less digits than its factorization.

7443320456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6506429 (or 6506425 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 38.

The square root of 7443320456 is about 86274.6802717924. The cubic root of 7443320456 is about 1952.4903930325.

The spelling of 7443320456 in words is "seven billion, four hundred forty-three million, three hundred twenty thousand, four hundred fifty-six".