40340407007 has 4 divisors (see below), whose sum is σ = 40347856680. Its totient is φ = 40332957336.

The previous prime is 40340406991. The next prime is 40340407013. The reversal of 40340407007 is 70070404304.

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 40340407007 - 2⁴ = 40340406991 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 (40340407087) 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, 3716708 + ... + 3727545.

It is an arithmetic number, because the mean of its divisors is an integer number (10086964170).

Almost surely, 2^40340407007 is an apocalyptic number.

40340407007 is a deficient number, since it is larger than the sum of its proper divisors (7449673).

40340407007 is an equidigital number, since it uses as much as digits as its factorization.

40340407007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7449672.

The product of its (nonzero) digits is 9408, while the sum is 29.

The spelling of 40340407007 in words is "forty billion, three hundred forty million, four hundred seven thousand, seven".