40252234441 has 2 divisors, whose sum is σ = 40252234442. Its totient is φ = 40252234440.

The previous prime is 40252234403. The next prime is 40252234447. The reversal of 40252234441 is 14443225204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38797574841 + 1454659600 = 196971^2 + 38140^2 .

It is a cyclic number.

It is not a de Polignac number, because 40252234441 - 2¹³ = 40252226249 is a prime.

It is not a weakly prime, because it can be changed into another prime (40252234447) 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, 20126117220 + 20126117221.

It is an arithmetic number, because the mean of its divisors is an integer number (20126117221).

Almost surely, 2^40252234441 is an apocalyptic number.

It is an amenable number.

40252234441 is a deficient number, since it is larger than the sum of its proper divisors (1).

40252234441 is an equidigital number, since it uses as much as digits as its factorization.

40252234441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 40252234441 its reverse (14443225204), we get a palindrome (54695459645).

The spelling of 40252234441 in words is "forty billion, two hundred fifty-two million, two hundred thirty-four thousand, four hundred forty-one".