1444321401 has 8 divisors (see below), whose sum is σ = 1926277344. Its totient is φ = 962623200.

The previous prime is 1444321393. The next prime is 1444321433. The reversal of 1444321401 is 1041234441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1444321401 - 2³ = 1444321393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1444321471) 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, 50956 + ... + 74061.

It is an arithmetic number, because the mean of its divisors is an integer number (240784668).

Almost surely, 2^1444321401 is an apocalyptic number.

It is an amenable number.

1444321401 is a deficient number, since it is larger than the sum of its proper divisors (481955943).

1444321401 is a wasteful number, since it uses less digits than its factorization.

1444321401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128871.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1444321401 is about 38004.2287252353. The cubic root of 1444321401 is about 1130.3717160161.

Adding to 1444321401 its reverse (1041234441), we get a palindrome (2485555842).

The spelling of 1444321401 in words is "one billion, four hundred forty-four million, three hundred twenty-one thousand, four hundred one".