40440303049 has 2 divisors, whose sum is σ = 40440303050. Its totient is φ = 40440303048.

The previous prime is 40440303017. The next prime is 40440303053. The reversal of 40440303049 is 94030304404.

40440303049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36748890000 + 3691413049 = 191700^2 + 60757^2 .

It is a cyclic number.

It is not a de Polignac number, because 40440303049 - 2⁵ = 40440303017 is a prime.

It is a super-2 number, since 2×40440303049² (a number of 22 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 40440303049.

It is not a weakly prime, because it can be changed into another prime (40440303149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20220151524 + 20220151525.

It is an arithmetic number, because the mean of its divisors is an integer number (20220151525).

Almost surely, 2^40440303049 is an apocalyptic number.

It is an amenable number.

40440303049 is a deficient number, since it is larger than the sum of its proper divisors (1).

40440303049 is an equidigital number, since it uses as much as digits as its factorization.

40440303049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 40440303049 in words is "forty billion, four hundred forty million, three hundred three thousand, forty-nine".