44441091 has 6 divisors (see below), whose sum is σ = 64192700. Its totient is φ = 29627388.

The previous prime is 44441071. The next prime is 44441099. The reversal of 44441091 is 19014444.

It is not a de Polignac number, because 44441091 - 2⁶ = 44441027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44441099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2468941 + ... + 2468958.

Almost surely, 2^44441091 is an apocalyptic number.

44441091 is a deficient number, since it is larger than the sum of its proper divisors (19751609).

44441091 is a wasteful number, since it uses less digits than its factorization.

44441091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4937905 (or 4937902 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 44441091 is about 6666.4151535889. The cubic root of 44441091 is about 354.2106139206.

The spelling of 44441091 in words is "forty-four million, four hundred forty-one thousand, ninety-one".