1001444042 has 8 divisors (see below), whose sum is σ = 1524586656. Its totient is φ = 493248492.

The previous prime is 1001444011. The next prime is 1001444047. The reversal of 1001444042 is 2404441001.

It is a happy number.

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

It is a super-3 number, since 3×1001444042³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001444047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3736598 + ... + 3736865.

It is an arithmetic number, because the mean of its divisors is an integer number (190573332).

Almost surely, 2^1001444042 is an apocalyptic number.

1001444042 is a deficient number, since it is larger than the sum of its proper divisors (523142614).

1001444042 is an equidigital number, since it uses as much as digits as its factorization.

1001444042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473532.

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

The square root of 1001444042 is about 31645.6006737113. The cubic root of 1001444042 is about 1000.4811158238.

Adding to 1001444042 its reverse (2404441001), we get a palindrome (3405885043).

The spelling of 1001444042 in words is "one billion, one million, four hundred forty-four thousand, forty-two".