1005340442 has 8 divisors (see below), whose sum is σ = 1573576416. Its totient is φ = 480814972.

The previous prime is 1005340439. The next prime is 1005340487. The reversal of 1005340442 is 2440435001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10927568 + ... + 10927659.

It is an arithmetic number, because the mean of its divisors is an integer number (196697052).

Almost surely, 2^1005340442 is an apocalyptic number.

1005340442 is a deficient number, since it is larger than the sum of its proper divisors (568235974).

1005340442 is a wasteful number, since it uses less digits than its factorization.

1005340442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21855252.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1005340442 is about 31707.1039674077. The cubic root of 1005340442 is about 1001.7769877774.

Adding to 1005340442 its reverse (2440435001), we get a palindrome (3445775443).

The spelling of 1005340442 in words is "one billion, five million, three hundred forty thousand, four hundred forty-two".