44421245503403 has 4 divisors (see below), whose sum is σ = 44421262875120. Its totient is φ = 44421228131688.

The previous prime is 44421245503399. The next prime is 44421245503421. The reversal of 44421245503403 is 30430554212444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44421245503403 - 2² = 44421245503399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44421241503403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4011800 + ... + 10243877.

It is an arithmetic number, because the mean of its divisors is an integer number (11105315718780).

Almost surely, 2^{44421245503403} is an apocalyptic number.

44421245503403 is a deficient number, since it is larger than the sum of its proper divisors (17371717).

44421245503403 is a wasteful number, since it uses less digits than its factorization.

44421245503403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17371716.

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 44421245503403 its reverse (30430554212444), we get a palindrome (74851799715847).

The spelling of 44421245503403 in words is "forty-four trillion, four hundred twenty-one billion, two hundred forty-five million, five hundred three thousand, four hundred three".