41808556831 has 4 divisors (see below), whose sum is σ = 41844881664. Its totient is φ = 41772232000.

The previous prime is 41808556819. The next prime is 41808556873. The reversal of 41808556831 is 13865580814.

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

It is a cyclic number.

It is not a de Polignac number, because 41808556831 - 2¹⁵ = 41808524063 is a prime.

It is a super-2 number, since 2×41808556831² (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 (41808557831) 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, 18160690 + ... + 18162991.

It is an arithmetic number, because the mean of its divisors is an integer number (10461220416).

Almost surely, 2^41808556831 is an apocalyptic number.

41808556831 is a deficient number, since it is larger than the sum of its proper divisors (36324833).

41808556831 is a wasteful number, since it uses less digits than its factorization.

41808556831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36324832.

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 41808556831 in words is "forty-one billion, eight hundred eight million, five hundred fifty-six thousand, eight hundred thirty-one".