1444544427 has 8 divisors (see below), whose sum is σ = 1943104464. Its totient is φ = 954507008.

The previous prime is 1444544419. The next prime is 1444544471. The reversal of 1444544427 is 7244454441.

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 1444544427 - 2³ = 1444544419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1444543427) 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, 2130258 + ... + 2130935.

It is an arithmetic number, because the mean of its divisors is an integer number (242888058).

Almost surely, 2^1444544427 is an apocalyptic number.

1444544427 is a deficient number, since it is larger than the sum of its proper divisors (498560037).

1444544427 is a wasteful number, since it uses less digits than its factorization.

1444544427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261309.

The product of its digits is 286720, while the sum is 39.

The square root of 1444544427 is about 38007.1628380757. The cubic root of 1444544427 is about 1130.4298954276.

Adding to 1444544427 its reverse (7244454441), we get a palindrome (8688998868).

The spelling of 1444544427 in words is "one billion, four hundred forty-four million, five hundred forty-four thousand, four hundred twenty-seven".