728260118043510 has 128 divisors (see below), whose sum is σ = 1888765974627840. Its totient is φ = 178645808572416.

The previous prime is 728260118043487. The next prime is 728260118043517. The reversal of 728260118043510 is 15340811062827.

It is a self number, because there is not a number n which added to its sum of digits gives 728260118043510.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728260118043517) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 625965921 + ... + 627128259.

It is an arithmetic number, because the mean of its divisors is an integer number (14755984176780).

Almost surely, 2^{728260118043510} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 728260118043510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944382987313920).

728260118043510 is an abundant number, since it is smaller than the sum of its proper divisors (1160505856584330).

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

728260118043510 is a wasteful number, since it uses less digits than its factorization.

728260118043510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167902.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 728260118043510 in words is "seven hundred twenty-eight trillion, two hundred sixty billion, one hundred eighteen million, forty-three thousand, five hundred ten".