442441011 has 16 divisors (see below), whose sum is σ = 621962240. Its totient is φ = 278989920.

The previous prime is 442441007. The next prime is 442441019. The reversal of 442441011 is 110144244.

It is not a de Polignac number, because 442441011 - 2² = 442441007 is a prime.

It is a Duffinian number.

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

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 15 ways as a sum of consecutive naturals, for example, 31806 + ... + 43548.

It is an arithmetic number, because the mean of its divisors is an integer number (38872640).

Almost surely, 2^442441011 is an apocalyptic number.

442441011 is a deficient number, since it is larger than the sum of its proper divisors (179521229).

442441011 is a wasteful number, since it uses less digits than its factorization.

442441011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12426.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 442441011 is about 21034.2818037603. The cubic root of 442441011 is about 761.9944216702.

Adding to 442441011 its reverse (110144244), we get a palindrome (552585255).

The spelling of 442441011 in words is "four hundred forty-two million, four hundred forty-one thousand, eleven".