40442934967 has 4 divisors (see below), whose sum is σ = 40525980496. Its totient is φ = 40359889440.

The previous prime is 40442934901. The next prime is 40442934977. The reversal of 40442934967 is 76943924404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40442934967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442934977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41522034 + ... + 41523007.

It is an arithmetic number, because the mean of its divisors is an integer number (10131495124).

Almost surely, 2^40442934967 is an apocalyptic number.

40442934967 is a deficient number, since it is larger than the sum of its proper divisors (83045529).

40442934967 is an equidigital number, since it uses as much as digits as its factorization.

40442934967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83045528.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 40442934967 in words is "forty billion, four hundred forty-two million, nine hundred thirty-four thousand, nine hundred sixty-seven".