40374040067 has 4 divisors (see below), whose sum is σ = 40374722496. Its totient is φ = 40373357640.

The previous prime is 40374040037. The next prime is 40374040079. The reversal of 40374040067 is 76004047304.

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-40374040067 is a prime.

It is a super-2 number, since 2×40374040067² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40374040037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243059 + ... + 373932.

It is an arithmetic number, because the mean of its divisors is an integer number (10093680624).

Almost surely, 2^40374040067 is an apocalyptic number.

40374040067 is a deficient number, since it is larger than the sum of its proper divisors (682429).

40374040067 is an equidigital number, since it uses as much as digits as its factorization.

40374040067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682428.

The product of its (nonzero) digits is 56448, while the sum is 35.

The spelling of 40374040067 in words is "forty billion, three hundred seventy-four million, forty thousand, sixty-seven".