40244424049 has 2 divisors, whose sum is σ = 40244424050. Its totient is φ = 40244424048.

The previous prime is 40244423957. The next prime is 40244424061. The reversal of 40244424049 is 94042444204.

40244424049 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., 23433486400 + 16810937649 = 153080^2 + 129657^2 .

It is a cyclic number.

It is not a de Polignac number, because 40244424049 - 2⁹ = 40244423537 is a prime.

It is a super-2 number, since 2×40244424049² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40244423999 and 40244424017.

It is not a weakly prime, because it can be changed into another prime (40244424089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20122212024 + 20122212025.

It is an arithmetic number, because the mean of its divisors is an integer number (20122212025).

Almost surely, 2^40244424049 is an apocalyptic number.

It is an amenable number.

40244424049 is a deficient number, since it is larger than the sum of its proper divisors (1).

40244424049 is an equidigital number, since it uses as much as digits as its factorization.

40244424049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 37.

The spelling of 40244424049 in words is "forty billion, two hundred forty-four million, four hundred twenty-four thousand, forty-nine".