44040405 has 16 divisors (see below), whose sum is σ = 70890624. Its totient is φ = 23346240.

The previous prime is 44040383. The next prime is 44040407. The reversal of 44040405 is 50404044.

It is not a de Polignac number, because 44040405 - 2⁶ = 44040341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44040407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6286 + ... + 11295.

It is an arithmetic number, because the mean of its divisors is an integer number (4430664).

Almost surely, 2^44040405 is an apocalyptic number.

It is an amenable number.

44040405 is a deficient number, since it is larger than the sum of its proper divisors (26850219).

44040405 is a wasteful number, since it uses less digits than its factorization.

44040405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17756.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 44040405 is about 6636.2945233014. The cubic root of 44040405 is about 353.1428638991.

Adding to 44040405 its reverse (50404044), we get a palindrome (94444449).

The spelling of 44040405 in words is "forty-four million, forty thousand, four hundred five".