40043444350297 has 2 divisors, whose sum is σ = 40043444350298. Its totient is φ = 40043444350296.

The previous prime is 40043444350249. The next prime is 40043444350423. The reversal of 40043444350297 is 79205344434004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25447827733056 + 14595616617241 = 5044584^2 + 3820421^2 .

It is a cyclic number.

It is not a de Polignac number, because 40043444350297 - 2³⁵ = 40009084611929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40043444350297.

It is not a weakly prime, because it can be changed into another prime (40043444357297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20021722175148 + 20021722175149.

It is an arithmetic number, because the mean of its divisors is an integer number (20021722175149).

Almost surely, 2^{40043444350297} is an apocalyptic number.

It is an amenable number.

40043444350297 is a deficient number, since it is larger than the sum of its proper divisors (1).

40043444350297 is an equidigital number, since it uses as much as digits as its factorization.

40043444350297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 49.

The spelling of 40043444350297 in words is "forty trillion, forty-three billion, four hundred forty-four million, three hundred fifty thousand, two hundred ninety-seven".