44401405 has 4 divisors (see below), whose sum is σ = 53281692. Its totient is φ = 35521120.

The previous prime is 44401381. The next prime is 44401411. The reversal of 44401405 is 50410444.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24661156 + 19740249 = 4966^2 + 4443^2 .

It is not a de Polignac number, because 44401405 - 2⁷ = 44401277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4440136 + ... + 4440145.

It is an arithmetic number, because the mean of its divisors is an integer number (13320423).

Almost surely, 2^44401405 is an apocalyptic number.

It is an amenable number.

44401405 is a deficient number, since it is larger than the sum of its proper divisors (8880287).

44401405 is an equidigital number, since it uses as much as digits as its factorization.

44401405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880286.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 44401405 is about 6663.4379264761. The cubic root of 44401405 is about 354.1051455462.

Adding to 44401405 its reverse (50410444), we get a palindrome (94811849).

The spelling of 44401405 in words is "forty-four million, four hundred one thousand, four hundred five".