1444742417 has 8 divisors (see below), whose sum is σ = 1456689216. Its totient is φ = 1432830672.

The previous prime is 1444742413. The next prime is 1444742419. The reversal of 1444742417 is 7142474441.

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 1444742417 - 2² = 1444742413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444742413) 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, 77468 + ... + 94290.

It is an arithmetic number, because the mean of its divisors is an integer number (182086152).

Almost surely, 2^1444742417 is an apocalyptic number.

It is an amenable number.

1444742417 is a deficient number, since it is larger than the sum of its proper divisors (11946799).

1444742417 is a wasteful number, since it uses less digits than its factorization.

1444742417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17527.

The product of its digits is 100352, while the sum is 38.

The square root of 1444742417 is about 38009.7673894487. The cubic root of 1444742417 is about 1130.4815388353.

The spelling of 1444742417 in words is "one billion, four hundred forty-four million, seven hundred forty-two thousand, four hundred seventeen".