44491111 has 8 divisors (see below), whose sum is σ = 52029824. Its totient is φ = 37248120.

The previous prime is 44491063. The next prime is 44491121. The reversal of 44491111 is 11119444.

It is a happy number.

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

It is not a de Polignac number, because 44491111 - 2¹⁵ = 44458343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44491121) 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, 73605 + ... + 74206.

It is an arithmetic number, because the mean of its divisors is an integer number (6503728).

Almost surely, 2^44491111 is an apocalyptic number.

44491111 is a deficient number, since it is larger than the sum of its proper divisors (7538713).

44491111 is a wasteful number, since it uses less digits than its factorization.

44491111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147861.

The product of its digits is 576, while the sum is 25.

The square root of 44491111 is about 6670.1657400697. The cubic root of 44491111 is about 354.3434562324.

The spelling of 44491111 in words is "forty-four million, four hundred ninety-one thousand, one hundred eleven".