442040424122 has 16 divisors (see below), whose sum is σ = 723438866592. Its totient is φ = 200899690320.

The previous prime is 442040424107. The next prime is 442040424131. The reversal of 442040424122 is 221424040244.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225568 + ... + 1544699.

It is an arithmetic number, because the mean of its divisors is an integer number (45214929162).

Almost surely, 2^442040424122 is an apocalyptic number.

442040424122 is a deficient number, since it is larger than the sum of its proper divisors (281398442470).

442040424122 is a wasteful number, since it uses less digits than its factorization.

442040424122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777533.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 442040424122 its reverse (221424040244), we get a palindrome (663464464366).

The spelling of 442040424122 in words is "four hundred forty-two billion, forty million, four hundred twenty-four thousand, one hundred twenty-two".