40365242443331 has 32 divisors (see below), whose sum is σ = 45073985967360. Its totient is φ = 35891675132544.

The previous prime is 40365242443327. The next prime is 40365242443363. The reversal of 40365242443331 is 13334424256304.

It is a cyclic number.

It is not a de Polignac number, because 40365242443331 - 2² = 40365242443327 is a prime.

It is a super-2 number, since 2×40365242443331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40365242443301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316767476 + ... + 316894878.

It is an arithmetic number, because the mean of its divisors is an integer number (1408562061480).

Almost surely, 2^{40365242443331} is an apocalyptic number.

40365242443331 is a deficient number, since it is larger than the sum of its proper divisors (4708743524029).

40365242443331 is a wasteful number, since it uses less digits than its factorization.

40365242443331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129395.

The product of its (nonzero) digits is 2488320, while the sum is 44.

Adding to 40365242443331 its reverse (13334424256304), we get a palindrome (53699666699635).

The spelling of 40365242443331 in words is "forty trillion, three hundred sixty-five billion, two hundred forty-two million, four hundred forty-three thousand, three hundred thirty-one".