44421403 has 8 divisors (see below), whose sum is σ = 48052368. Its totient is φ = 40821024.

The previous prime is 44421397. The next prime is 44421407. The reversal of 44421403 is 30412444.

44421403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 44421403 - 2⁹ = 44420891 is a prime.

It is a super-2 number, since 2×44421403² = 3946522088976818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44421407) 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 7 ways as a sum of consecutive naturals, for example, 4576 + ... + 10477.

It is an arithmetic number, because the mean of its divisors is an integer number (6006546).

Almost surely, 2^44421403 is an apocalyptic number.

44421403 is a deficient number, since it is larger than the sum of its proper divisors (3630965).

44421403 is a wasteful number, since it uses less digits than its factorization.

44421403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15293.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 44421403 is about 6664.9383342984. The cubic root of 44421403 is about 354.1582995086.

Adding to 44421403 its reverse (30412444), we get a palindrome (74833847).

The spelling of 44421403 in words is "forty-four million, four hundred twenty-one thousand, four hundred three".