40230044042 has 12 divisors (see below), whose sum is σ = 62497686966. Its totient is φ = 19421399760.

The previous prime is 40230044039. The next prime is 40230044047. The reversal of 40230044042 is 24044003204.

40230044042 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 3 ways, for example, as 40207869361 + 22174681 = 200519^2 + 4709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40230043999 and 40230044017.

It is not an unprimeable number, because it can be changed into a prime (40230044047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11957309 + ... + 11960672.

Almost surely, 2^40230044042 is an apocalyptic number.

40230044042 is a deficient number, since it is larger than the sum of its proper divisors (22267642924).

40230044042 is a wasteful number, since it uses less digits than its factorization.

40230044042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23918041 (or 23918012 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 40230044042 its reverse (24044003204), we get a palindrome (64274047246).

The spelling of 40230044042 in words is "forty billion, two hundred thirty million, forty-four thousand, forty-two".