40120440104 has 16 divisors (see below), whose sum is σ = 75615599220. Its totient is φ = 19956280320.

The previous prime is 40120440077. The next prime is 40120440133. The reversal of 40120440104 is 40104402104.

It is a happy number.

40120440104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39184202500 + 936237604 = 197950^2 + 30598^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12990827 + ... + 12993914.

Almost surely, 2^40120440104 is an apocalyptic number.

It is an amenable number.

40120440104 is a deficient number, since it is larger than the sum of its proper divisors (35495159116).

40120440104 is a wasteful number, since it uses less digits than its factorization.

40120440104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25984940 (or 25984936 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 40120440104 its reverse (40104402104), we get a palindrome (80224842208).

The spelling of 40120440104 in words is "forty billion, one hundred twenty million, four hundred forty thousand, one hundred four".