40041401421242 has 16 divisors (see below), whose sum is σ = 64693526876160. Its totient is φ = 18477428797872.

The previous prime is 40041401421239. The next prime is 40041401421251. The reversal of 40041401421242 is 24212410414004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133931642 + ... + 134230277.

It is an arithmetic number, because the mean of its divisors is an integer number (4043345429760).

Almost surely, 2^{40041401421242} is an apocalyptic number.

40041401421242 is a deficient number, since it is larger than the sum of its proper divisors (24652125454918).

40041401421242 is a wasteful number, since it uses less digits than its factorization.

40041401421242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268167677.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 40041401421242 its reverse (24212410414004), we get a palindrome (64253811835246).

The spelling of 40041401421242 in words is "forty trillion, forty-one billion, four hundred one million, four hundred twenty-one thousand, two hundred forty-two".