40243210441 has 12 divisors (see below), whose sum is σ = 49567268628. Its totient is φ = 32465110272.

The previous prime is 40243210411. The next prime is 40243210457. The reversal of 40243210441 is 14401234204.

It can be written as a sum of positive squares in 2 ways, for example, as 19443513600 + 20799696841 = 139440^2 + 144221^2 .

It is not a de Polignac number, because 40243210441 - 2⁷ = 40243210313 is a prime.

It is a super-2 number, since 2×40243210441² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40243210411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24154756 + ... + 24156421.

It is an arithmetic number, because the mean of its divisors is an integer number (4130605719).

Almost surely, 2^40243210441 is an apocalyptic number.

It is an amenable number.

40243210441 is a deficient number, since it is larger than the sum of its proper divisors (9324058187).

40243210441 is a wasteful number, since it uses less digits than its factorization.

40243210441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48311208 (or 48311201 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 40243210441 its reverse (14401234204), we get a palindrome (54644444645).

The spelling of 40243210441 in words is "forty billion, two hundred forty-three million, two hundred ten thousand, four hundred forty-one".