728895233390 has 16 divisors (see below), whose sum is σ = 1319341096080. Its totient is φ = 289929276480.

The previous prime is 728895233359. The next prime is 728895233431. The reversal of 728895233390 is 93332598827.

It is a super-2 number, since 2×728895233390² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 203600231 + ... + 203603810.

It is an arithmetic number, because the mean of its divisors is an integer number (82458818505).

Almost surely, 2^728895233390 is an apocalyptic number.

728895233390 is a deficient number, since it is larger than the sum of its proper divisors (590445862690).

728895233390 is a wasteful number, since it uses less digits than its factorization.

728895233390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407204227.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 728895233390 in words is "seven hundred twenty-eight billion, eight hundred ninety-five million, two hundred thirty-three thousand, three hundred ninety".