40340203042 has 8 divisors (see below), whose sum is σ = 60620928336. Its totient is φ = 20133226932.

The previous prime is 40340202979. The next prime is 40340203049. The reversal of 40340203042 is 24030204304.

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

It is not an unprimeable number, because it can be changed into a prime (40340203049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18435928 + ... + 18438115.

It is an arithmetic number, because the mean of its divisors is an integer number (7577616042).

Almost surely, 2^40340203042 is an apocalyptic number.

40340203042 is a deficient number, since it is larger than the sum of its proper divisors (20280725294).

40340203042 is a wasteful number, since it uses less digits than its factorization.

40340203042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36874592.

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

Adding to 40340203042 its reverse (24030204304), we get a palindrome (64370407346).

The spelling of 40340203042 in words is "forty billion, three hundred forty million, two hundred three thousand, forty-two".