44440135 has 4 divisors (see below), whose sum is σ = 53328168. Its totient is φ = 35552104.

The previous prime is 44440111. The next prime is 44440139. The reversal of 44440135 is 53104444.

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 44440135 - 2⁷ = 44440007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44440139) 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, 4444009 + ... + 4444018.

It is an arithmetic number, because the mean of its divisors is an integer number (13332042).

Almost surely, 2^44440135 is an apocalyptic number.

44440135 is a deficient number, since it is larger than the sum of its proper divisors (8888033).

44440135 is an equidigital number, since it uses as much as digits as its factorization.

44440135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8888032.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 44440135 is about 6666.3434504982. The cubic root of 44440135 is about 354.2080740207.

Adding to 44440135 its reverse (53104444), we get a palindrome (97544579).

The spelling of 44440135 in words is "forty-four million, four hundred forty thousand, one hundred thirty-five".