728910499244 has 12 divisors (see below), whose sum is σ = 1277135814024. Its totient is φ = 364014552384.

The previous prime is 728910499133. The next prime is 728910499313. The reversal of 728910499244 is 442994019827.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110170589 + ... + 110177204.

It is an arithmetic number, because the mean of its divisors is an integer number (106427984502).

Almost surely, 2^728910499244 is an apocalyptic number.

It is an amenable number.

728910499244 is a deficient number, since it is larger than the sum of its proper divisors (548225314780).

728910499244 is a wasteful number, since it uses less digits than its factorization.

728910499244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220348624 (or 220348622 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 728910499244 in words is "seven hundred twenty-eight billion, nine hundred ten million, four hundred ninety-nine thousand, two hundred forty-four".