40525045317 has 6 divisors (see below), whose sum is σ = 58536176582. Its totient is φ = 27016696872.

The previous prime is 40525045313. The next prime is 40525045343. The reversal of 40525045317 is 71354052504.

40525045317 is a `hidden beast` number, since 40 + 52 + 504 + 53 + 17 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38586316356 + 1938728961 = 196434^2 + 44031^2 .

It is not a de Polignac number, because 40525045317 - 2² = 40525045313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40525045313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2251391398 + ... + 2251391415.

Almost surely, 2^40525045317 is an apocalyptic number.

It is an amenable number.

40525045317 is a deficient number, since it is larger than the sum of its proper divisors (18011131265).

40525045317 is a wasteful number, since it uses less digits than its factorization.

40525045317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502782819 (or 4502782816 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 40525045317 in words is "forty billion, five hundred twenty-five million, forty-five thousand, three hundred seventeen".