728206270080 has 128 divisors (see below), whose sum is σ = 2336530320000. Its totient is φ = 192902246400.

The previous prime is 728206270079. The next prime is 728206270081. The reversal of 728206270080 is 80072602827.

It is an interprime number because it is at equal distance from previous prime (728206270079) and next prime (728206270081).

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (728206270081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965955 + ... + 1545794.

It is an arithmetic number, because the mean of its divisors is an integer number (18254143125).

Almost surely, 2^728206270080 is an apocalyptic number.

It is an amenable number.

728206270080 is an abundant number, since it is smaller than the sum of its proper divisors (1608324049920).

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

728206270080 is a wasteful number, since it uses less digits than its factorization.

728206270080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511922 (or 2511910 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 728206270080 in words is "seven hundred twenty-eight billion, two hundred six million, two hundred seventy thousand, eighty".