40438048107 has 4 divisors (see below), whose sum is σ = 53917397480. Its totient is φ = 26958698736.

The previous prime is 40438048073. The next prime is 40438048109. The reversal of 40438048107 is 70184083404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40438048107 - 2¹² = 40438044011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40438048109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6739674682 + ... + 6739674687.

It is an arithmetic number, because the mean of its divisors is an integer number (13479349370).

Almost surely, 2^40438048107 is an apocalyptic number.

40438048107 is a deficient number, since it is larger than the sum of its proper divisors (13479349373).

40438048107 is a wasteful number, since it uses less digits than its factorization.

40438048107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13479349372.

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 40438048107 in words is "forty billion, four hundred thirty-eight million, forty-eight thousand, one hundred seven".