1444611401 has 16 divisors (see below), whose sum is σ = 1550596800. Its totient is φ = 1341748800.

The previous prime is 1444611379. The next prime is 1444611419. The reversal of 1444611401 is 1041164441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444611401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1444611491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470411 + ... + 473471.

It is an arithmetic number, because the mean of its divisors is an integer number (96912300).

Almost surely, 2^1444611401 is an apocalyptic number.

It is an amenable number.

1444611401 is a deficient number, since it is larger than the sum of its proper divisors (105985399).

1444611401 is a wasteful number, since it uses less digits than its factorization.

1444611401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1444611401 is about 38008.0438986276. The cubic root of 1444611401 is about 1130.4473653510.

Adding to 1444611401 its reverse (1041164441), we get a palindrome (2485775842).

The spelling of 1444611401 in words is "one billion, four hundred forty-four million, six hundred eleven thousand, four hundred one".