1441440421 has 8 divisors (see below), whose sum is σ = 1528015104. Its totient is φ = 1355064000.

The previous prime is 1441440419. The next prime is 1441440439. The reversal of 1441440421 is 1240441441.

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 1441440421 - 2¹ = 1441440419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441440461) 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, 34455 + ... + 63796.

It is an arithmetic number, because the mean of its divisors is an integer number (191001888).

Almost surely, 2^1441440421 is an apocalyptic number.

It is an amenable number.

1441440421 is a deficient number, since it is larger than the sum of its proper divisors (86574683).

1441440421 is an equidigital number, since it uses as much as digits as its factorization.

1441440421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99131.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 1441440421 is about 37966.3063913255. The cubic root of 1441440421 is about 1129.6196336426.

Adding to 1441440421 its reverse (1240441441), we get a palindrome (2681881862).

The spelling of 1441440421 in words is "one billion, four hundred forty-one million, four hundred forty thousand, four hundred twenty-one".