40040204042 has 8 divisors (see below), whose sum is σ = 60115360032. Its totient is φ = 20001750700.

The previous prime is 40040204027. The next prime is 40040204081. The reversal of 40040204042 is 24040204004.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 9172934 + ... + 9177297.

It is an arithmetic number, because the mean of its divisors is an integer number (7514420004).

Almost surely, 2^40040204042 is an apocalyptic number.

40040204042 is a deficient number, since it is larger than the sum of its proper divisors (20075155990).

40040204042 is a wasteful number, since it uses less digits than its factorization.

40040204042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18351324.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40040204042 its reverse (24040204004), we get a palindrome (64080408046).

The spelling of 40040204042 in words is "forty billion, forty million, two hundred four thousand, forty-two".