40232023042 has 4 divisors (see below), whose sum is σ = 60348034566. Its totient is φ = 20116011520.

The previous prime is 40232023033. The next prime is 40232023057. The reversal of 40232023042 is 24032023204.

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

It can be written as a sum of positive squares in only one way, i.e., 39911648841 + 320374201 = 199779^2 + 17899^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058005759 + ... + 10058005762.

Almost surely, 2^40232023042 is an apocalyptic number.

40232023042 is a deficient number, since it is larger than the sum of its proper divisors (20116011524).

40232023042 is a wasteful number, since it uses less digits than its factorization.

40232023042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20116011523.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 40232023042 its reverse (24032023204), we get a palindrome (64264046246).

The spelling of 40232023042 in words is "forty billion, two hundred thirty-two million, twenty-three thousand, forty-two".