40441224247 has 2 divisors, whose sum is σ = 40441224248. Its totient is φ = 40441224246.

The previous prime is 40441224223. The next prime is 40441224287. The reversal of 40441224247 is 74242214404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40441224247 - 2³¹ = 38293740599 is a prime.

It is a super-2 number, since 2×40441224247² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40441224287) 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 as a sum of consecutive naturals, namely, 20220612123 + 20220612124.

It is an arithmetic number, because the mean of its divisors is an integer number (20220612124).

Almost surely, 2^40441224247 is an apocalyptic number.

40441224247 is a deficient number, since it is larger than the sum of its proper divisors (1).

40441224247 is an equidigital number, since it uses as much as digits as its factorization.

40441224247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57344, while the sum is 34.

The spelling of 40441224247 in words is "forty billion, four hundred forty-one million, two hundred twenty-four thousand, two hundred forty-seven".