44270991 has 6 divisors (see below), whose sum is σ = 63947000. Its totient is φ = 29513988.

The previous prime is 44270983. The next prime is 44271011. The reversal of 44270991 is 19907244.

44270991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44270991 - 2³ = 44270983 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 (44270911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2459491 + ... + 2459508.

Almost surely, 2^44270991 is an apocalyptic number.

44270991 is a deficient number, since it is larger than the sum of its proper divisors (19676009).

44270991 is a wasteful number, since it uses less digits than its factorization.

44270991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919005 (or 4919002 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 44270991 is about 6653.6449409328. The cubic root of 44270991 is about 353.7581178241.

The spelling of 44270991 in words is "forty-four million, two hundred seventy thousand, nine hundred ninety-one".