44181005 has 16 divisors (see below), whose sum is σ = 57988224. Its totient is φ = 32047680.

The previous prime is 44181001. The next prime is 44181013. The reversal of 44181005 is 50018144.

It is not a de Polignac number, because 44181005 - 2² = 44181001 is a prime.

It is a super-2 number, since 2×44181005² = 3903922405620050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44181001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26867 + ... + 28463.

It is an arithmetic number, because the mean of its divisors is an integer number (3624264).

Almost surely, 2^44181005 is an apocalyptic number.

It is an amenable number.

44181005 is a deficient number, since it is larger than the sum of its proper divisors (13807219).

44181005 is a wasteful number, since it uses less digits than its factorization.

44181005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 44181005 is about 6646.8793429699. The cubic root of 44181005 is about 353.5182702403.

Adding to 44181005 its reverse (50018144), we get a palindrome (94199149).

The spelling of 44181005 in words is "forty-four million, one hundred eighty-one thousand, five".