728266112642 has 8 divisors (see below), whose sum is σ = 1098940481856. Its totient is φ = 361952618692.

The previous prime is 728266112611. The next prime is 728266112663. The reversal of 728266112642 is 246211662827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090218398 + ... + 1090219065.

It is an arithmetic number, because the mean of its divisors is an integer number (137367560232).

Almost surely, 2^728266112642 is an apocalyptic number.

728266112642 is a deficient number, since it is larger than the sum of its proper divisors (370674369214).

728266112642 is a wasteful number, since it uses less digits than its factorization.

728266112642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180437632.

The product of its digits is 774144, while the sum is 47.

The spelling of 728266112642 in words is "seven hundred twenty-eight billion, two hundred sixty-six million, one hundred twelve thousand, six hundred forty-two".