44441409 has 4 divisors (see below), whose sum is σ = 59255216. Its totient is φ = 29627604.

The previous prime is 44441407. The next prime is 44441429. The reversal of 44441409 is 90414444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44441409 - 2¹ = 44441407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44441407) 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, 7406899 + ... + 7406904.

It is an arithmetic number, because the mean of its divisors is an integer number (14813804).

Almost surely, 2^44441409 is an apocalyptic number.

It is an amenable number.

44441409 is a deficient number, since it is larger than the sum of its proper divisors (14813807).

44441409 is a wasteful number, since it uses less digits than its factorization.

44441409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14813806.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 44441409 is about 6666.4390044461. The cubic root of 44441409 is about 354.2114587747.

It can be divided in two parts, 44441 and 409, that added together give a triangular number (44850 = T₂₉₉).

The spelling of 44441409 in words is "forty-four million, four hundred forty-one thousand, four hundred nine".