10340440667 has 4 divisors (see below), whose sum is σ = 10341079056. Its totient is φ = 10339802280.

The previous prime is 10340440637. The next prime is 10340440673. The reversal of 10340440667 is 76604404301.

10340440667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10340440667 - 2¹² = 10340436571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10340440637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294248 + ... + 327509.

It is an arithmetic number, because the mean of its divisors is an integer number (2585269764).

Almost surely, 2^10340440667 is an apocalyptic number.

10340440667 is a deficient number, since it is larger than the sum of its proper divisors (638389).

10340440667 is an equidigital number, since it uses as much as digits as its factorization.

10340440667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638388.

The product of its (nonzero) digits is 48384, while the sum is 35.

Adding to 10340440667 its reverse (76604404301), we get a palindrome (86944844968).

The spelling of 10340440667 in words is "ten billion, three hundred forty million, four hundred forty thousand, six hundred sixty-seven".