44131601 has 8 divisors (see below), whose sum is σ = 44686824. Its totient is φ = 43580160.

The previous prime is 44131597. The next prime is 44131613. The reversal of 44131601 is 10613144.

It can be written as a sum of positive squares in 4 ways, for example, as 3478225 + 40653376 = 1865^2 + 6376^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44131601 - 2² = 44131597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44131651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27641 + ... + 29193.

It is an arithmetic number, because the mean of its divisors is an integer number (5585853).

Almost surely, 2^44131601 is an apocalyptic number.

It is an amenable number.

44131601 is a deficient number, since it is larger than the sum of its proper divisors (555223).

44131601 is a wasteful number, since it uses less digits than its factorization.

44131601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 44131601 is about 6643.1619730366. The cubic root of 44131601 is about 353.3864509162.

Adding to 44131601 its reverse (10613144), we get a palindrome (54744745).

The spelling of 44131601 in words is "forty-four million, one hundred thirty-one thousand, six hundred one".