40445242303 has 2 divisors, whose sum is σ = 40445242304. Its totient is φ = 40445242302.

The previous prime is 40445242273. The next prime is 40445242363. The reversal of 40445242303 is 30324254404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40445242303 - 2¹³ = 40445234111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40445242363) 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, 20222621151 + 20222621152.

It is an arithmetic number, because the mean of its divisors is an integer number (20222621152).

Almost surely, 2^40445242303 is an apocalyptic number.

40445242303 is a deficient number, since it is larger than the sum of its proper divisors (1).

40445242303 is an equidigital number, since it uses as much as digits as its factorization.

40445242303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 40445242303 its reverse (30324254404), we get a palindrome (70769496707).

The spelling of 40445242303 in words is "forty billion, four hundred forty-five million, two hundred forty-two thousand, three hundred three".