728243426882 has 32 divisors (see below), whose sum is σ = 1124261195904. Its totient is φ = 353575497600.

The previous prime is 728243426881. The next prime is 728243426909. The reversal of 728243426882 is 288624342827.

It is a super-3 number, since 3×728243426882³ (a number of 37 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (728243426881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25239368 + ... + 25268204.

It is an arithmetic number, because the mean of its divisors is an integer number (35133162372).

Almost surely, 2^728243426882 is an apocalyptic number.

728243426882 is a deficient number, since it is larger than the sum of its proper divisors (396017769022).

728243426882 is a wasteful number, since it uses less digits than its factorization.

728243426882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30314.

The product of its digits is 16515072, while the sum is 56.

The spelling of 728243426882 in words is "seven hundred twenty-eight billion, two hundred forty-three million, four hundred twenty-six thousand, eight hundred eighty-two".