40004412142 has 4 divisors (see below), whose sum is σ = 60006618216. Its totient is φ = 20002206070.

The previous prime is 40004412139. The next prime is 40004412143. The reversal of 40004412142 is 24121440004.

40004412142 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 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004412143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001103034 + ... + 10001103037.

It is an arithmetic number, because the mean of its divisors is an integer number (15001654554).

Almost surely, 2^40004412142 is an apocalyptic number.

40004412142 is a deficient number, since it is larger than the sum of its proper divisors (20002206074).

40004412142 is a wasteful number, since it uses less digits than its factorization.

40004412142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20002206073.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 40004412142 its reverse (24121440004), we get a palindrome (64125852146).

The spelling of 40004412142 in words is "forty billion, four million, four hundred twelve thousand, one hundred forty-two".