442071012 has 24 divisors (see below), whose sum is σ = 1067068800. Its totient is φ = 142275616.

The previous prime is 442070977. The next prime is 442071037. The reversal of 442071012 is 210170244.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 442071012.

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, 634812 + ... + 635507.

It is an arithmetic number, because the mean of its divisors is an integer number (44461200).

Almost surely, 2^442071012 is an apocalyptic number.

It is an amenable number.

442071012 is an abundant number, since it is smaller than the sum of its proper divisors (624997788).

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

442071012 is a wasteful number, since it uses less digits than its factorization.

442071012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270355 (or 1270353 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 442071012 is about 21025.4848219964. The cubic root of 442071012 is about 761.7819520640.

The spelling of 442071012 in words is "four hundred forty-two million, seventy-one thousand, twelve".