1042644441 has 8 divisors (see below), whose sum is σ = 1450635840. Its totient is φ = 664874672.

The previous prime is 1042644413. The next prime is 1042644457. The reversal of 1042644441 is 1444462401.

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

It is a cyclic number.

It is not a de Polignac number, because 1042644441 - 2⁵ = 1042644409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042644399 and 1042644408.

It is not an unprimeable number, because it can be changed into a prime (1042644481) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7555326 + ... + 7555463.

It is an arithmetic number, because the mean of its divisors is an integer number (181329480).

Almost surely, 2^1042644441 is an apocalyptic number.

It is an amenable number.

1042644441 is a deficient number, since it is larger than the sum of its proper divisors (407991399).

1042644441 is a wasteful number, since it uses less digits than its factorization.

1042644441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15110815.

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 1042644441 is about 32290.0052802721. The cubic root of 1042644441 is about 1014.0174078607.

The spelling of 1042644441 in words is "one billion, forty-two million, six hundred forty-four thousand, four hundred forty-one".