44161587 has 24 divisors (see below), whose sum is σ = 66871584. Its totient is φ = 28030464.

The previous prime is 44161573. The next prime is 44161589. The reversal of 44161587 is 78516144.

It is a happy number.

44161587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44161587 - 2⁸ = 44161331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44161589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65283 + ... + 65955.

It is an arithmetic number, because the mean of its divisors is an integer number (2786316).

Almost surely, 2^44161587 is an apocalyptic number.

44161587 is a deficient number, since it is larger than the sum of its proper divisors (22709997).

44161587 is a wasteful number, since it uses less digits than its factorization.

44161587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019 (or 1016 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 44161587 is about 6645.4184969797. The cubic root of 44161587 is about 353.4664710285.

The spelling of 44161587 in words is "forty-four million, one hundred sixty-one thousand, five hundred eighty-seven".