40403740667 has 8 divisors (see below), whose sum is σ = 41498394000. Its totient is φ = 39309227424.

The previous prime is 40403740639. The next prime is 40403740691. The reversal of 40403740667 is 76604730404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-40403740667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40403740607) 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 7 ways as a sum of consecutive naturals, for example, 844709 + ... + 891257.

It is an arithmetic number, because the mean of its divisors is an integer number (5187299250).

Almost surely, 2^40403740667 is an apocalyptic number.

40403740667 is a deficient number, since it is larger than the sum of its proper divisors (1094653333).

40403740667 is a wasteful number, since it uses less digits than its factorization.

40403740667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70045.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 40403740667 in words is "forty billion, four hundred three million, seven hundred forty thousand, six hundred sixty-seven".