1728291471036 has 48 divisors (see below), whose sum is σ = 4364709888000. Its totient is φ = 529109710272.

The previous prime is 1728291470999. The next prime is 1728291471037. The reversal of 1728291471036 is 6301741928271.

It is a self number, because there is not a number n which added to its sum of digits gives 1728291471036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1728291471037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27805116 + ... + 27867203.

It is an arithmetic number, because the mean of its divisors is an integer number (90931456000).

Almost surely, 2^{1728291471036} is an apocalyptic number.

It is an amenable number.

1728291471036 is an abundant number, since it is smaller than the sum of its proper divisors (2636418416964).

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

1728291471036 is a wasteful number, since it uses less digits than its factorization.

1728291471036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55672538 (or 55672536 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 1728291471036 in words is "one trillion, seven hundred twenty-eight billion, two hundred ninety-one million, four hundred seventy-one thousand, thirty-six".