44640271 has 8 divisors (see below), whose sum is σ = 49097664. Its totient is φ = 40329120.

The previous prime is 44640259. The next prime is 44640289. The reversal of 44640271 is 17204644.

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

It is not a de Polignac number, because 44640271 - 2¹³ = 44632079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44640571) 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 7 ways as a sum of consecutive naturals, for example, 35920 + ... + 37141.

It is an arithmetic number, because the mean of its divisors is an integer number (6137208).

Almost surely, 2^44640271 is an apocalyptic number.

44640271 is a deficient number, since it is larger than the sum of its proper divisors (4457393).

44640271 is a wasteful number, since it uses less digits than its factorization.

44640271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73121.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 44640271 is about 6681.3375157973. The cubic root of 44640271 is about 354.7390027652.

The spelling of 44640271 in words is "forty-four million, six hundred forty thousand, two hundred seventy-one".