7328440432 has 20 divisors (see below), whose sum is σ = 14278182120. Its totient is φ = 3643748288.

The previous prime is 7328440417. The next prime is 7328440453. The reversal of 7328440432 is 2340448237.

It is a junction number, because it is equal to n+sod(n) for n = 7328440391 and 7328440400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276543 + ... + 1282270.

It is an arithmetic number, because the mean of its divisors is an integer number (713909106).

Almost surely, 2^7328440432 is an apocalyptic number.

It is an amenable number.

7328440432 is a deficient number, since it is larger than the sum of its proper divisors (6949741688).

7328440432 is a wasteful number, since it uses less digits than its factorization.

7328440432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559000 (or 2558994 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 37.

The square root of 7328440432 is about 85606.3107019570. The cubic root of 7328440432 is about 1942.3933715951.

Adding to 7328440432 its reverse (2340448237), we get a palindrome (9668888669).

The spelling of 7328440432 in words is "seven billion, three hundred twenty-eight million, four hundred forty thousand, four hundred thirty-two".