40844004007 has 8 divisors (see below), whose sum is σ = 43249984992. Its totient is φ = 38438400000.

The previous prime is 40844003989. The next prime is 40844004013. The reversal of 40844004007 is 70040044804.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40844004007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40844004007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40844002007) 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, 146407 + ... + 321127.

It is an arithmetic number, because the mean of its divisors is an integer number (5406248124).

Almost surely, 2^40844004007 is an apocalyptic number.

40844004007 is a deficient number, since it is larger than the sum of its proper divisors (2405980985).

40844004007 is a wasteful number, since it uses less digits than its factorization.

40844004007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188489.

The product of its (nonzero) digits is 14336, while the sum is 31.

The spelling of 40844004007 in words is "forty billion, eight hundred forty-four million, four thousand, seven".