40663422505 has 16 divisors (see below), whose sum is σ = 49750546320. Its totient is φ = 31899598848.

The previous prime is 40663422491. The next prime is 40663422521. The reversal of 40663422505 is 50522436604.

It can be written as a sum of positive squares in 8 ways, for example, as 9939292416 + 30724130089 = 99696^2 + 175283^2 .

It is a cyclic number.

It is not a de Polignac number, because 40663422505 - 2⁹ = 40663421993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258840 + ... + 385129.

It is an arithmetic number, because the mean of its divisors is an integer number (3109409145).

Almost surely, 2^40663422505 is an apocalyptic number.

It is an amenable number.

40663422505 is a deficient number, since it is larger than the sum of its proper divisors (9087123815).

40663422505 is a wasteful number, since it uses less digits than its factorization.

40663422505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644220.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 40663422505 in words is "forty billion, six hundred sixty-three million, four hundred twenty-two thousand, five hundred five".