442012110 has 64 divisors (see below), whose sum is σ = 1079239680. Its totient is φ = 115839360.

The previous prime is 442012079. The next prime is 442012117. The reversal of 442012110 is 11210244.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 442012110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442012117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 997549 + ... + 997991.

It is an arithmetic number, because the mean of its divisors is an integer number (16863120).

Almost surely, 2^442012110 is an apocalyptic number.

442012110 is an abundant number, since it is smaller than the sum of its proper divisors (637227570).

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

442012110 is a wasteful number, since it uses less digits than its factorization.

442012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 442012110 is about 21024.0840466357. The cubic root of 442012110 is about 761.7481170222.

Adding to 442012110 its reverse (11210244), we get a palindrome (453222354).

The spelling of 442012110 in words is "four hundred forty-two million, twelve thousand, one hundred ten".