40852204517 has 4 divisors (see below), whose sum is σ = 40924001580. Its totient is φ = 40780407456.

The previous prime is 40852204453. The next prime is 40852204529. The reversal of 40852204517 is 71540225804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19419537316 + 21432667201 = 139354^2 + 146399^2 .

It is a cyclic number.

It is not a de Polignac number, because 40852204517 - 2⁶ = 40852204453 is a prime.

It is a super-2 number, since 2×40852204517² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40852204597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35897678 + ... + 35898815.

It is an arithmetic number, because the mean of its divisors is an integer number (10231000395).

Almost surely, 2^40852204517 is an apocalyptic number.

It is an amenable number.

40852204517 is a deficient number, since it is larger than the sum of its proper divisors (71797063).

40852204517 is an equidigital number, since it uses as much as digits as its factorization.

40852204517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71797062.

The product of its (nonzero) digits is 89600, while the sum is 38.

The spelling of 40852204517 in words is "forty billion, eight hundred fifty-two million, two hundred four thousand, five hundred seventeen".