40240400402242 has 8 divisors (see below), whose sum is σ = 60360627996432. Its totient is φ = 20120191070100.

The previous prime is 40240400402233. The next prime is 40240400402291. The reversal of 40240400402242 is 24220400404204.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40240400402242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4721517 + ... + 10137727.

It is an arithmetic number, because the mean of its divisors is an integer number (7545078499554).

Almost surely, 2^{40240400402242} is an apocalyptic number.

40240400402242 is a deficient number, since it is larger than the sum of its proper divisors (20120227594190).

40240400402242 is a wasteful number, since it uses less digits than its factorization.

40240400402242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9131024.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40240400402242 its reverse (24220400404204), we get a palindrome (64460800806446).

The spelling of 40240400402242 in words is "forty trillion, two hundred forty billion, four hundred million, four hundred two thousand, two hundred forty-two".