40004424007 has 2 divisors, whose sum is σ = 40004424008. Its totient is φ = 40004424006.

The previous prime is 40004423989. The next prime is 40004424017. The reversal of 40004424007 is 70042440004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40004424007 - 2¹⁵ = 40004391239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40004424017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20002212003 + 20002212004.

It is an arithmetic number, because the mean of its divisors is an integer number (20002212004).

Almost surely, 2^40004424007 is an apocalyptic number.

40004424007 is a deficient number, since it is larger than the sum of its proper divisors (1).

40004424007 is an equidigital number, since it uses as much as digits as its factorization.

40004424007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 25.

The spelling of 40004424007 in words is "forty billion, four million, four hundred twenty-four thousand, seven".