40438001117 has 4 divisors (see below), whose sum is σ = 40438577760. Its totient is φ = 40437424476.

The previous prime is 40438001101. The next prime is 40438001137. The reversal of 40438001117 is 71110083404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40438001117 - 2⁴ = 40438001101 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 40438001117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40438001137) 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, 165767 + ... + 329172.

It is an arithmetic number, because the mean of its divisors is an integer number (10109644440).

Almost surely, 2^40438001117 is an apocalyptic number.

It is an amenable number.

40438001117 is a deficient number, since it is larger than the sum of its proper divisors (576643).

40438001117 is an equidigital number, since it uses as much as digits as its factorization.

40438001117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576642.

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 40438001117 in words is "forty billion, four hundred thirty-eight million, one thousand, one hundred seventeen".