1441643441 has 8 divisors (see below), whose sum is σ = 1649087040. Its totient is φ = 1234573488.

The previous prime is 1441643419. The next prime is 1441643471. The reversal of 1441643441 is 1443461441.

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 1441643441 - 2⁶ = 1441643377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1441643398 and 1441643407.

It is not an unprimeable number, because it can be changed into a prime (1441643471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85091 + ... + 100616.

It is an arithmetic number, because the mean of its divisors is an integer number (206135880).

Almost surely, 2^1441643441 is an apocalyptic number.

It is an amenable number.

1441643441 is a deficient number, since it is larger than the sum of its proper divisors (207443599).

1441643441 is a wasteful number, since it uses less digits than its factorization.

1441643441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186823.

The product of its digits is 18432, while the sum is 32.

The square root of 1441643441 is about 37968.9799836656. The cubic root of 1441643441 is about 1129.6726649966.

The spelling of 1441643441 in words is "one billion, four hundred forty-one million, six hundred forty-three thousand, four hundred forty-one".