1001044442 has 8 divisors (see below), whose sum is σ = 1504957536. Its totient is φ = 499391932.

The previous prime is 1001044423. The next prime is 1001044453. The reversal of 1001044442 is 2444401001.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564038 + ... + 565809.

It is an arithmetic number, because the mean of its divisors is an integer number (188119692).

Almost surely, 2^1001044442 is an apocalyptic number.

1001044442 is a deficient number, since it is larger than the sum of its proper divisors (503913094).

1001044442 is a wasteful number, since it uses less digits than its factorization.

1001044442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130292.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1001044442 is about 31639.2863699547. The cubic root of 1001044442 is about 1000.3480261970.

Adding to 1001044442 its reverse (2444401001), we get a palindrome (3445445443).

The spelling of 1001044442 in words is "one billion, one million, forty-four thousand, four hundred forty-two".