728646418842 has 32 divisors (see below), whose sum is σ = 1541779272000. Its totient is φ = 228930847488.

The previous prime is 728646418831. The next prime is 728646418853. The reversal of 728646418842 is 248814646827.

It is an interprime number because it is at equal distance from previous prime (728646418831) and next prime (728646418853).

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, 16199967 + ... + 16244882.

It is an arithmetic number, because the mean of its divisors is an integer number (48180602250).

Almost surely, 2^728646418842 is an apocalyptic number.

728646418842 is an abundant number, since it is smaller than the sum of its proper divisors (813132853158).

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

728646418842 is a wasteful number, since it uses less digits than its factorization.

728646418842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32445070.

The product of its digits is 33030144, while the sum is 60.

The spelling of 728646418842 in words is "seven hundred twenty-eight billion, six hundred forty-six million, four hundred eighteen thousand, eight hundred forty-two".