44421404 has 6 divisors (see below), whose sum is σ = 77737464. Its totient is φ = 22210700.

The previous prime is 44421397. The next prime is 44421407. The reversal of 44421404 is 40412444.

It is a super-2 number, since 2×44421404² = 3946522266662432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44421404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44421407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552672 + ... + 5552679.

It is an arithmetic number, because the mean of its divisors is an integer number (12956244).

Almost surely, 2^44421404 is an apocalyptic number.

It is an amenable number.

44421404 is a deficient number, since it is larger than the sum of its proper divisors (33316060).

44421404 is a wasteful number, since it uses less digits than its factorization.

44421404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105355 (or 11105353 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 44421404 is about 6664.9384093178. The cubic root of 44421404 is about 354.1583021662.

Adding to 44421404 its reverse (40412444), we get a palindrome (84833848).

The spelling of 44421404 in words is "forty-four million, four hundred twenty-one thousand, four hundred four".