442441012 has 24 divisors (see below), whose sum is σ = 834573096. Its totient is φ = 204021888.

The previous prime is 442441007. The next prime is 442441019. The reversal of 442441012 is 210144244.

It can be written as a sum of positive squares in 4 ways, for example, as 95140516 + 347300496 = 9754^2 + 18636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442441019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68298 + ... + 74494.

It is an arithmetic number, because the mean of its divisors is an integer number (34773879).

Almost surely, 2^442441012 is an apocalyptic number.

It is an amenable number.

442441012 is a deficient number, since it is larger than the sum of its proper divisors (392132084).

442441012 is a wasteful number, since it uses less digits than its factorization.

442441012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7587 (or 7585 counting only the distinct ones).

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

The square root of 442441012 is about 21034.2818275310. The cubic root of 442441012 is about 761.9944222443.

Adding to 442441012 its reverse (210144244), we get a palindrome (652585256).

The spelling of 442441012 in words is "four hundred forty-two million, four hundred forty-one thousand, twelve".