40040224657 has 2 divisors, whose sum is σ = 40040224658. Its totient is φ = 40040224656.

The previous prime is 40040224607. The next prime is 40040224723. The reversal of 40040224657 is 75642204004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22058487441 + 17981737216 = 148521^2 + 134096^2 .

It is a cyclic number.

It is not a de Polignac number, because 40040224657 - 2¹¹ = 40040222609 is a prime.

It is not a weakly prime, because it can be changed into another prime (40040224607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020112328 + 20020112329.

It is an arithmetic number, because the mean of its divisors is an integer number (20020112329).

Almost surely, 2^40040224657 is an apocalyptic number.

It is an amenable number.

40040224657 is a deficient number, since it is larger than the sum of its proper divisors (1).

40040224657 is an equidigital number, since it uses as much as digits as its factorization.

40040224657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 40040224657 in words is "forty billion, forty million, two hundred twenty-four thousand, six hundred fifty-seven".