40403340242 has 8 divisors (see below), whose sum is σ = 60728443632. Its totient is φ = 20160525700.

The previous prime is 40403340227. The next prime is 40403340251. The reversal of 40403340242 is 24204330404.

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, 20570984 + ... + 20572947.

It is an arithmetic number, because the mean of its divisors is an integer number (7591055454).

Almost surely, 2^40403340242 is an apocalyptic number.

40403340242 is a deficient number, since it is larger than the sum of its proper divisors (20325103390).

40403340242 is a wasteful number, since it uses less digits than its factorization.

40403340242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41144424.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 40403340242 its reverse (24204330404), we get a palindrome (64607670646).

The spelling of 40403340242 in words is "forty billion, four hundred three million, three hundred forty thousand, two hundred forty-two".