1728600145860 has 96 divisors (see below), whose sum is σ = 5531694981120. Its totient is φ = 395096139648.

The previous prime is 1728600145841. The next prime is 1728600145997. The reversal of 1728600145860 is 685410068271.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23045337 + ... + 23120223.

It is an arithmetic number, because the mean of its divisors is an integer number (57621822720).

Almost surely, 2^{1728600145860} is an apocalyptic number.

1728600145860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1728600145860 is an abundant number, since it is smaller than the sum of its proper divisors (3803094835260).

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

1728600145860 is a wasteful number, since it uses less digits than its factorization.

1728600145860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129865 (or 129863 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 1728600145860 in words is "one trillion, seven hundred twenty-eight billion, six hundred million, one hundred forty-five thousand, eight hundred sixty".