728817730410 has 128 divisors (see below), whose sum is σ = 2181045325824. Its totient is φ = 151423810560.

The previous prime is 728817730379. The next prime is 728817730493. The reversal of 728817730410 is 14037718827.

It is a self number, because there is not a number n which added to its sum of digits gives 728817730410.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26058994 + ... + 26086946.

It is an arithmetic number, because the mean of its divisors is an integer number (17039416608).

Almost surely, 2^728817730410 is an apocalyptic number.

728817730410 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

728817730410 is an abundant number, since it is smaller than the sum of its proper divisors (1452227595414).

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

728817730410 is a wasteful number, since it uses less digits than its factorization.

728817730410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39268.

The product of its (nonzero) digits is 526848, while the sum is 48.

The spelling of 728817730410 in words is "seven hundred twenty-eight billion, eight hundred seventeen million, seven hundred thirty thousand, four hundred ten".