1444140413 has 8 divisors (see below), whose sum is σ = 1475203200. Its totient is φ = 1413316080.

The previous prime is 1444140403. The next prime is 1444140419. The reversal of 1444140413 is 3140414441.

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 1444140413 - 2²⁶ = 1377031549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444140419) 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, 47345 + ... + 71622.

It is an arithmetic number, because the mean of its divisors is an integer number (184400400).

Almost surely, 2^1444140413 is an apocalyptic number.

It is an amenable number.

1444140413 is a deficient number, since it is larger than the sum of its proper divisors (31062787).

1444140413 is a wasteful number, since it uses less digits than its factorization.

1444140413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119227.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1444140413 is about 38001.8474945627. The cubic root of 1444140413 is about 1130.3244983949.

Adding to 1444140413 its reverse (3140414441), we get a palindrome (4584554854).

The spelling of 1444140413 in words is "one billion, four hundred forty-four million, one hundred forty thousand, four hundred thirteen".