442240141 has 24 divisors (see below), whose sum is σ = 536110080. Its totient is φ = 363333600.

The previous prime is 442240121. The next prime is 442240151. The reversal of 442240141 is 141042244.

It is not a de Polignac number, because 442240141 - 2⁷ = 442240013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442240121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164236 + ... + 166906.

It is an arithmetic number, because the mean of its divisors is an integer number (22337920).

Almost surely, 2^442240141 is an apocalyptic number.

It is an amenable number.

442240141 is a deficient number, since it is larger than the sum of its proper divisors (93869939).

442240141 is a wasteful number, since it uses less digits than its factorization.

442240141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825 (or 2818 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 442240141 is about 21029.5064373846. The cubic root of 442240141 is about 761.8790880362.

Adding to 442240141 its reverse (141042244), we get a palindrome (583282385).

The spelling of 442240141 in words is "four hundred forty-two million, two hundred forty thousand, one hundred forty-one".