1444241001 has 32 divisors (see below), whose sum is σ = 2431531008. Its totient is φ = 742959360.

The previous prime is 1444240951. The next prime is 1444241011. The reversal of 1444241001 is 1001424441.

It is not a de Polignac number, because 1444241001 - 2¹¹ = 1444238953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1444241011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79735 + ... + 96156.

It is an arithmetic number, because the mean of its divisors is an integer number (75985344).

Almost surely, 2^1444241001 is an apocalyptic number.

It is an amenable number.

1444241001 is a deficient number, since it is larger than the sum of its proper divisors (987290007).

1444241001 is a wasteful number, since it uses less digits than its factorization.

1444241001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175941.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1444241001 is about 38003.1709334892. The cubic root of 1444241001 is about 1130.3507410973.

Adding to 1444241001 its reverse (1001424441), we get a palindrome (2445665442).

The spelling of 1444241001 in words is "one billion, four hundred forty-four million, two hundred forty-one thousand, one".