442111941 has 12 divisors (see below), whose sum is σ = 638797068. Its totient is φ = 294653184.

The previous prime is 442111937. The next prime is 442111949. The reversal of 442111941 is 149111244.

It can be written as a sum of positive squares in 2 ways, for example, as 170851041 + 271260900 = 13071^2 + 16470^2 .

It is not a de Polignac number, because 442111941 - 2² = 442111937 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442111949) 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, 41611 + ... + 51143.

It is an arithmetic number, because the mean of its divisors is an integer number (53233089).

Almost surely, 2^442111941 is an apocalyptic number.

It is an amenable number.

442111941 is a deficient number, since it is larger than the sum of its proper divisors (196685127).

442111941 is a wasteful number, since it uses less digits than its factorization.

442111941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14692 (or 14689 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 442111941 is about 21026.4581182852. The cubic root of 442111941 is about 761.8054611161.

The spelling of 442111941 in words is "four hundred forty-two million, one hundred eleven thousand, nine hundred forty-one".