44238481 has 16 divisors (see below), whose sum is σ = 51707008. Its totient is φ = 37065600.

The previous prime is 44238473. The next prime is 44238487. The reversal of 44238481 is 18483244.

It is a happy number.

It is a 4-Lehmer number, since φ(44238481) divides (44238481-1)⁴.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 44238481 - 2³ = 44238473 is a prime.

It is a super-2 number, since 2×44238481² = 3914086402374722, which contains 22 as substring.

It is a deceptive number, since it divides R_44238480.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44238487) 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, 133486 + ... + 133816.

It is an arithmetic number, because the mean of its divisors is an integer number (3231688).

It is a Poulet number, since it divides 2^44238480-1.

Almost surely, 2^44238481 is an apocalyptic number.

It is an amenable number.

44238481 is a deficient number, since it is larger than the sum of its proper divisors (7468527).

44238481 is a wasteful number, since it uses less digits than its factorization.

44238481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712.

The product of its digits is 24576, while the sum is 34.

The square root of 44238481 is about 6651.2014704112. The cubic root of 44238481 is about 353.6715035993.

The spelling of 44238481 in words is "forty-four million, two hundred thirty-eight thousand, four hundred eighty-one".