442040121144202 has 32 divisors (see below), whose sum is σ = 802360527800832. Its totient is φ = 178301455697664.

The previous prime is 442040121144107. The next prime is 442040121144221. The reversal of 442040121144202 is 202441121040244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104275228 + ... + 108431560.

It is an arithmetic number, because the mean of its divisors is an integer number (25073766493776).

Almost surely, 2^{442040121144202} is an apocalyptic number.

442040121144202 is a deficient number, since it is larger than the sum of its proper divisors (360320406656630).

442040121144202 is a wasteful number, since it uses less digits than its factorization.

442040121144202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603222.

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 442040121144202 its reverse (202441121040244), we get a palindrome (644481242184446).

The spelling of 442040121144202 in words is "four hundred forty-two trillion, forty billion, one hundred twenty-one million, one hundred forty-four thousand, two hundred two".