442125412 has 12 divisors (see below), whose sum is σ = 807359616. Its totient is φ = 211451240.

The previous prime is 442125407. The next prime is 442125493. The reversal of 442125412 is 214521244.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2402764 + ... + 2402947.

It is an arithmetic number, because the mean of its divisors is an integer number (67279968).

Almost surely, 2^442125412 is an apocalyptic number.

It is an amenable number.

442125412 is a deficient number, since it is larger than the sum of its proper divisors (365234204).

442125412 is a wasteful number, since it uses less digits than its factorization.

442125412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805738 (or 4805736 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 442125412 is about 21026.7784503475. The cubic root of 442125412 is about 761.8131983550.

Adding to 442125412 its reverse (214521244), we get a palindrome (656646656).

The spelling of 442125412 in words is "four hundred forty-two million, one hundred twenty-five thousand, four hundred twelve".