1005442344 has 96 divisors (see below), whose sum is σ = 2879735040. Its totient is φ = 316396800.

The previous prime is 1005442343. The next prime is 1005442351. The reversal of 1005442344 is 4432445001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1005442343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86019 + ... + 97005.

It is an arithmetic number, because the mean of its divisors is an integer number (29997240).

Almost surely, 2^1005442344 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 1005442344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439867520).

1005442344 is an abundant number, since it is smaller than the sum of its proper divisors (1874292696).

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

1005442344 is a wasteful number, since it uses less digits than its factorization.

1005442344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11071 (or 11064 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1005442344 is about 31708.7108536440. The cubic root of 1005442344 is about 1001.8108335691.

Adding to 1005442344 its reverse (4432445001), we get a palindrome (5437887345).

The spelling of 1005442344 in words is "one billion, five million, four hundred forty-two thousand, three hundred forty-four".