1444884481 has 8 divisors (see below), whose sum is σ = 1476566784. Its totient is φ = 1413241440.

The previous prime is 1444884479. The next prime is 1444884499. The reversal of 1444884481 is 1844884441.

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 1444884481 - 2¹ = 1444884479 is a prime.

It is a super-2 number, since 2×1444884481² = 4175382326869278722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444834481) 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, 71956 + ... + 89818.

It is an arithmetic number, because the mean of its divisors is an integer number (184570848).

Almost surely, 2^1444884481 is an apocalyptic number.

It is an amenable number.

1444884481 is a deficient number, since it is larger than the sum of its proper divisors (31682303).

1444884481 is a wasteful number, since it uses less digits than its factorization.

1444884481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19631.

The product of its digits is 524288, while the sum is 46.

The square root of 1444884481 is about 38011.6361263232. The cubic root of 1444884481 is about 1130.5185916838.

The spelling of 1444884481 in words is "one billion, four hundred forty-four million, eight hundred eighty-four thousand, four hundred eighty-one".