40023500445142 has 4 divisors (see below), whose sum is σ = 60035250667716. Its totient is φ = 20011750222570.

The previous prime is 40023500445109. The next prime is 40023500445221. The reversal of 40023500445142 is 24154400532004.

40023500445142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 40023500445098 and 40023500445107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005875111284 + ... + 10005875111287.

It is an arithmetic number, because the mean of its divisors is an integer number (15008812666929).

Almost surely, 2^{40023500445142} is an apocalyptic number.

40023500445142 is a deficient number, since it is larger than the sum of its proper divisors (20011750222574).

40023500445142 is a wasteful number, since it uses less digits than its factorization.

40023500445142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20011750222573.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 40023500445142 its reverse (24154400532004), we get a palindrome (64177900977146).

The spelling of 40023500445142 in words is "forty trillion, twenty-three billion, five hundred million, four hundred forty-five thousand, one hundred forty-two".