728232240550 has 12 divisors (see below), whose sum is σ = 1354511967516. Its totient is φ = 291292896200.

The previous prime is 728232240517. The next prime is 728232240551. The reversal of 728232240550 is 55042232827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728232240551) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 7282322356 + ... + 7282322455.

It is an arithmetic number, because the mean of its divisors is an integer number (112875997293).

Almost surely, 2^728232240550 is an apocalyptic number.

728232240550 is a deficient number, since it is larger than the sum of its proper divisors (626279726966).

728232240550 is a wasteful number, since it uses less digits than its factorization.

728232240550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14564644823 (or 14564644818 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 728232240550 in words is "seven hundred twenty-eight billion, two hundred thirty-two million, two hundred forty thousand, five hundred fifty".