40274044067 has 4 divisors (see below), whose sum is σ = 40274573976. Its totient is φ = 40273514160.

The previous prime is 40274044007. The next prime is 40274044073. The reversal of 40274044067 is 76044047204.

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

It is a cyclic number.

It is not a de Polignac number, because 40274044067 - 2¹⁸ = 40273781923 is a prime.

It is a super-3 number, since 3×40274044067³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40274044067.

It is not an unprimeable number, because it can be changed into a prime (40274044007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127013 + ... + 310934.

It is an arithmetic number, because the mean of its divisors is an integer number (10068643494).

Almost surely, 2^40274044067 is an apocalyptic number.

40274044067 is a deficient number, since it is larger than the sum of its proper divisors (529909).

40274044067 is an equidigital number, since it uses as much as digits as its factorization.

40274044067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529908.

The product of its (nonzero) digits is 150528, while the sum is 38.

The spelling of 40274044067 in words is "forty billion, two hundred seventy-four million, forty-four thousand, sixty-seven".