2017065940 has 12 divisors (see below), whose sum is σ = 4235838516. Its totient is φ = 806826368.

The previous prime is 2017065851. The next prime is 2017065949. The reversal of 2017065940 is 495607102.

It can be written as a sum of positive squares in 2 ways, for example, as 998307216 + 1018758724 = 31596^2 + 31918^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2017065896 and 2017065905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2017065949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50426629 + ... + 50426668.

It is an arithmetic number, because the mean of its divisors is an integer number (352986543).

Almost surely, 2^2017065940 is an apocalyptic number.

2017065940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2017065940 is an abundant number, since it is smaller than the sum of its proper divisors (2218772576).

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

2017065940 is a wasteful number, since it uses less digits than its factorization.

2017065940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100853306 (or 100853304 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2017065940 is about 44911.7572579831. The cubic root of 2017065940 is about 1263.4945278002.

The spelling of 2017065940 in words is "two billion, seventeen million, sixty-five thousand, nine hundred forty".