8446440497 has 16 divisors (see below), whose sum is σ = 9767630592. Its totient is φ = 7218520320.

The previous prime is 8446440487. The next prime is 8446440517. The reversal of 8446440497 is 7940446448.

It is a happy number.

It is not a de Polignac number, because 8446440497 - 2⁶ = 8446440433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8446440487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138248 + ... + 189750.

It is an arithmetic number, because the mean of its divisors is an integer number (610476912).

Almost surely, 2^8446440497 is an apocalyptic number.

It is an amenable number.

8446440497 is a deficient number, since it is larger than the sum of its proper divisors (1321190095).

8446440497 is a wasteful number, since it uses less digits than its factorization.

8446440497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52408.

The product of its (nonzero) digits is 3096576, while the sum is 50.

The square root of 8446440497 is about 91904.5183709702. The cubic root of 8446440497 is about 2036.5320176592.

The spelling of 8446440497 in words is "eight billion, four hundred forty-six million, four hundred forty thousand, four hundred ninety-seven".