40444080277 has 2 divisors, whose sum is σ = 40444080278. Its totient is φ = 40444080276.

The previous prime is 40444080269. The next prime is 40444080289. The reversal of 40444080277 is 77208044404.

It is a happy number.

40444080277 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., 30614150961 + 9829929316 = 174969^2 + 99146^2 .

It is a cyclic number.

It is not a de Polignac number, because 40444080277 - 2³ = 40444080269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40444080077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20222040138 + 20222040139.

It is an arithmetic number, because the mean of its divisors is an integer number (20222040139).

Almost surely, 2^40444080277 is an apocalyptic number.

It is an amenable number.

40444080277 is a deficient number, since it is larger than the sum of its proper divisors (1).

40444080277 is an equidigital number, since it uses as much as digits as its factorization.

40444080277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200704, while the sum is 40.

The spelling of 40444080277 in words is "forty billion, four hundred forty-four million, eighty thousand, two hundred seventy-seven".