728638194510096 has 40 divisors (see below), whose sum is σ = 2027108823190080. Its totient is φ = 224196367541376.

The previous prime is 728638194510077. The next prime is 728638194510131. The reversal of 728638194510096 is 690015491836827.

It is a self number, because there is not a number n which added to its sum of digits gives 728638194510096.

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, 583844706516 + ... + 583844707763.

It is an arithmetic number, because the mean of its divisors is an integer number (50677720579752).

It is a 2-persistent number, because it is pandigital, and so is 2⋅728638194510096 = 1457276389020192, but 3⋅728638194510096 = 2185914583530288 is not.

Almost surely, 2^{728638194510096} is an apocalyptic number.

It is an amenable number.

728638194510096 is an abundant number, since it is smaller than the sum of its proper divisors (1298470628679984).

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

728638194510096 is a wasteful number, since it uses less digits than its factorization.

728638194510096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167689414303 (or 1167689414297 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 69.

The spelling of 728638194510096 in words is "seven hundred twenty-eight trillion, six hundred thirty-eight billion, one hundred ninety-four million, five hundred ten thousand, ninety-six".