442433220140 has 24 divisors (see below), whose sum is σ = 931866778752. Its totient is φ = 176448142080.

The previous prime is 442433220137. The next prime is 442433220157. The reversal of 442433220140 is 41022334244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32814716 + ... + 32828195.

It is an arithmetic number, because the mean of its divisors is an integer number (38827782448).

Almost surely, 2^442433220140 is an apocalyptic number.

It is an amenable number.

442433220140 is an abundant number, since it is smaller than the sum of its proper divisors (489433558612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442433220140 is a wasteful number, since it uses less digits than its factorization.

442433220140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65643257 (or 65643255 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 442433220140 its reverse (41022334244), we get a palindrome (483455554384).

The spelling of 442433220140 in words is "four hundred forty-two billion, four hundred thirty-three million, two hundred twenty thousand, one hundred forty".