1444231011 has 8 divisors (see below), whose sum is σ = 1926484560. Its totient is φ = 962399072.

The previous prime is 1444230979. The next prime is 1444231013. The reversal of 1444231011 is 1101324441.

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 1444231011 - 2⁵ = 1444230979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1444231013) 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, 97320 + ... + 111173.

It is an arithmetic number, because the mean of its divisors is an integer number (240810570).

Almost surely, 2^1444231011 is an apocalyptic number.

1444231011 is a deficient number, since it is larger than the sum of its proper divisors (482253549).

1444231011 is a wasteful number, since it uses less digits than its factorization.

1444231011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210805.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1444231011 is about 38003.0394968613. The cubic root of 1444231011 is about 1130.3481348310.

Adding to 1444231011 its reverse (1101324441), we get a palindrome (2545555452).

The spelling of 1444231011 in words is "one billion, four hundred forty-four million, two hundred thirty-one thousand, eleven".