728654540336830 has 32 divisors (see below), whose sum is σ = 1329554755958400. Its totient is φ = 287467078447872.

The previous prime is 728654540336741. The next prime is 728654540336851. The reversal of 728654540336830 is 38633045456827.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97780491 + ... + 104968249.

It is an arithmetic number, because the mean of its divisors is an integer number (41548586123700).

Almost surely, 2^{728654540336830} is an apocalyptic number.

728654540336830 is a deficient number, since it is larger than the sum of its proper divisors (600900215621570).

728654540336830 is a wasteful number, since it uses less digits than its factorization.

728654540336830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7326708.

The product of its (nonzero) digits is 348364800, while the sum is 64.

The spelling of 728654540336830 in words is "seven hundred twenty-eight trillion, six hundred fifty-four billion, five hundred forty million, three hundred thirty-six thousand, eight hundred thirty".