442105011 has 12 divisors (see below), whose sum is σ = 666361488. Its totient is φ = 281921904.

The previous prime is 442105007. The next prime is 442105031. The reversal of 442105011 is 110501244.

It is not a de Polignac number, because 442105011 - 2² = 442105007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442105031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1067680 + ... + 1068093.

It is an arithmetic number, because the mean of its divisors is an integer number (55530124).

Almost surely, 2^442105011 is an apocalyptic number.

442105011 is a deficient number, since it is larger than the sum of its proper divisors (224256477).

442105011 is a wasteful number, since it uses less digits than its factorization.

442105011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135802 (or 2135799 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 442105011 is about 21026.2933252630. The cubic root of 442105011 is about 761.8014807219.

Adding to 442105011 its reverse (110501244), we get a palindrome (552606255).

The spelling of 442105011 in words is "four hundred forty-two million, one hundred five thousand, eleven".