44027091 has 8 divisors (see below), whose sum is σ = 65225360. Its totient is φ = 29351376.

The previous prime is 44027089. The next prime is 44027111. The reversal of 44027091 is 19072044.

It is a happy number.

It is not a de Polignac number, because 44027091 - 2¹ = 44027089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1630633 = 44027091 / (4 + 4 + 0 + 2 + 7 + 0 + 9 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44027491) 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, 815290 + ... + 815343.

It is an arithmetic number, because the mean of its divisors is an integer number (8153170).

Almost surely, 2^44027091 is an apocalyptic number.

44027091 is a deficient number, since it is larger than the sum of its proper divisors (21198269).

44027091 is a wasteful number, since it uses less digits than its factorization.

44027091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630642 (or 1630636 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 44027091 is about 6635.2913274400. The cubic root of 44027091 is about 353.1072737180.

The spelling of 44027091 in words is "forty-four million, twenty-seven thousand, ninety-one".