2017172040401 has 16 divisors (see below), whose sum is σ = 2329806246144. Its totient is φ = 1710684598464.

The previous prime is 2017172040383. The next prime is 2017172040461. The reversal of 2017172040401 is 1040402717102.

It is a cyclic number.

It is not a de Polignac number, because 2017172040401 - 2¹⁸ = 2017171778257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2017172040461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446990 + ... + 2057703.

It is an arithmetic number, because the mean of its divisors is an integer number (145612890384).

Almost surely, 2^{2017172040401} is an apocalyptic number.

It is an amenable number.

2017172040401 is a deficient number, since it is larger than the sum of its proper divisors (312634205743).

2017172040401 is a wasteful number, since it uses less digits than its factorization.

2017172040401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505920.

The product of its (nonzero) digits is 3136, while the sum is 29.

Adding to 2017172040401 its reverse (1040402717102), we get a palindrome (3057574757503).

The spelling of 2017172040401 in words is "two trillion, seventeen billion, one hundred seventy-two million, forty thousand, four hundred one".