44242481 has 4 divisors (see below), whose sum is σ = 44261364. Its totient is φ = 44223600.

The previous prime is 44242477. The next prime is 44242511. The reversal of 44242481 is 18424244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15523600 + 28718881 = 3940^2 + 5359^2 .

It is a cyclic number.

It is not a de Polignac number, because 44242481 - 2² = 44242477 is a prime.

It is a super-2 number, since 2×44242481² = 3914794250070722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44242411) 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 3 ways as a sum of consecutive naturals, for example, 5330 + ... + 10811.

It is an arithmetic number, because the mean of its divisors is an integer number (11065341).

Almost surely, 2^44242481 is an apocalyptic number.

It is an amenable number.

44242481 is a deficient number, since it is larger than the sum of its proper divisors (18883).

44242481 is a wasteful number, since it uses less digits than its factorization.

44242481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18882.

The product of its digits is 8192, while the sum is 29.

The square root of 44242481 is about 6651.5021611663. The cubic root of 44242481 is about 353.6821628214.

The spelling of 44242481 in words is "forty-four million, two hundred forty-two thousand, four hundred eighty-one".