40856569041 has 64 divisors (see below), whose sum is σ = 61312204800. Its totient is φ = 24076742976.

The previous prime is 40856569037. The next prime is 40856569063. The reversal of 40856569041 is 14096565804.

It is not a de Polignac number, because 40856569041 - 2² = 40856569037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40856569001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22119580 + ... + 22121426.

It is an arithmetic number, because the mean of its divisors is an integer number (958003200).

Almost surely, 2^40856569041 is an apocalyptic number.

It is an amenable number.

40856569041 is a deficient number, since it is larger than the sum of its proper divisors (20455635759).

40856569041 is a wasteful number, since it uses less digits than its factorization.

40856569041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 40856569041 in words is "forty billion, eight hundred fifty-six million, five hundred sixty-nine thousand, forty-one".