44453909 has 8 divisors (see below), whose sum is σ = 46518840. Its totient is φ = 42434496.

The previous prime is 44453891. The next prime is 44453951. The reversal of 44453909 is 90935444.

It can be written as a sum of positive squares in 4 ways, for example, as 33097009 + 11356900 = 5753^2 + 3370^2 .

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 44453909 - 2¹² = 44449813 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 (44453989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9374 + ... + 13295.

It is an arithmetic number, because the mean of its divisors is an integer number (5814855).

Almost surely, 2^44453909 is an apocalyptic number.

It is an amenable number.

44453909 is a deficient number, since it is larger than the sum of its proper divisors (2064931).

44453909 is a wasteful number, since it uses less digits than its factorization.

44453909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22759.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 44453909 is about 6667.3764705467. The cubic root of 44453909 is about 354.2446652539.

The spelling of 44453909 in words is "forty-four million, four hundred fifty-three thousand, nine hundred nine".