40667318983 has 2 divisors, whose sum is σ = 40667318984. Its totient is φ = 40667318982.

The previous prime is 40667318981. The next prime is 40667319001. The reversal of 40667318983 is 38981376604.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40667318983 - 2¹ = 40667318981 is a prime.

Together with 40667318981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40667318981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20333659491 + 20333659492.

It is an arithmetic number, because the mean of its divisors is an integer number (20333659492).

Almost surely, 2^40667318983 is an apocalyptic number.

40667318983 is a deficient number, since it is larger than the sum of its proper divisors (1).

40667318983 is an equidigital number, since it uses as much as digits as its factorization.

40667318983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 40667318983 in words is "forty billion, six hundred sixty-seven million, three hundred eighteen thousand, nine hundred eighty-three".