2017900660044 has 24 divisors (see below), whose sum is σ = 4728135444480. Its totient is φ = 669819186064.

The previous prime is 2017900659979. The next prime is 2017900660063. The reversal of 2017900660044 is 4400660097102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2017900659984 and 2017900660011.

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 7 ways as a sum of consecutive naturals, for example, 351792924 + ... + 351798659.

It is an arithmetic number, because the mean of its divisors is an integer number (197005643520).

Almost surely, 2^{2017900660044} is an apocalyptic number.

It is an amenable number.

2017900660044 is an abundant number, since it is smaller than the sum of its proper divisors (2710234784436).

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

2017900660044 is a wasteful number, since it uses less digits than its factorization.

2017900660044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703591829 (or 703591827 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 2017900660044 in words is "two trillion, seventeen billion, nine hundred million, six hundred sixty thousand, forty-four".