40244420204237 has 2 divisors, whose sum is σ = 40244420204238. Its totient is φ = 40244420204236.

The previous prime is 40244420204203. The next prime is 40244420204279. The reversal of 40244420204237 is 73240202444204.

40244420204237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21315821012836 + 18928599191401 = 4616906^2 + 4350701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40244420204237 is a prime.

It is a super-2 number, since 2×40244420204237² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40244420204237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40244420204437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20122210102118 + 20122210102119.

It is an arithmetic number, because the mean of its divisors is an integer number (20122210102119).

Almost surely, 2^{40244420204237} is an apocalyptic number.

It is an amenable number.

40244420204237 is a deficient number, since it is larger than the sum of its proper divisors (1).

40244420204237 is an equidigital number, since it uses as much as digits as its factorization.

40244420204237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 344064, while the sum is 38.

The spelling of 40244420204237 in words is "forty trillion, two hundred forty-four billion, four hundred twenty million, two hundred four thousand, two hundred thirty-seven".