40663422506 has 16 divisors (see below), whose sum is σ = 69747863424. Its totient is φ = 17417396304.

The previous prime is 40663422491. The next prime is 40663422521. The reversal of 40663422506 is 60522436604.

It is an interprime number because it is at equal distance from previous prime (40663422491) and next prime (40663422521).

It is a self number, because there is not a number n which added to its sum of digits gives 40663422506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789545 + ... + 839468.

It is an arithmetic number, because the mean of its divisors is an integer number (4359241464).

Almost surely, 2^40663422506 is an apocalyptic number.

40663422506 is a deficient number, since it is larger than the sum of its proper divisors (29084440918).

40663422506 is a wasteful number, since it uses less digits than its factorization.

40663422506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630805.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 40663422506 in words is "forty billion, six hundred sixty-three million, four hundred twenty-two thousand, five hundred six".