442103340 has 96 divisors (see below), whose sum is σ = 1417489920. Its totient is φ = 100855296.

The previous prime is 442103303. The next prime is 442103393. The reversal of 442103340 is 43301244.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 427464 + ... + 428496.

It is an arithmetic number, because the mean of its divisors is an integer number (14765520).

Almost surely, 2^442103340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442103340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708744960).

442103340 is an abundant number, since it is smaller than the sum of its proper divisors (975386580).

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

442103340 is a wasteful number, since it uses less digits than its factorization.

442103340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071 (or 2069 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 442103340 is about 21026.2535892631. The cubic root of 442103340 is about 761.8005209409.

Adding to 442103340 its reverse (43301244), we get a palindrome (485404584).

The spelling of 442103340 in words is "four hundred forty-two million, one hundred three thousand, three hundred forty".