44191971 has 12 divisors (see below), whose sum is σ = 64551240. Its totient is φ = 29129760.

The previous prime is 44191919. The next prime is 44191981. The reversal of 44191971 is 17919144.

It is not a de Polignac number, because 44191971 - 2¹⁴ = 44175587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44191981) 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 11 ways as a sum of consecutive naturals, for example, 26785 + ... + 28386.

It is an arithmetic number, because the mean of its divisors is an integer number (5379270).

Almost surely, 2^44191971 is an apocalyptic number.

44191971 is a deficient number, since it is larger than the sum of its proper divisors (20359269).

44191971 is a wasteful number, since it uses less digits than its factorization.

44191971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55266 (or 55263 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 44191971 is about 6647.7041901697. The cubic root of 44191971 is about 353.5475162979.

The spelling of 44191971 in words is "forty-four million, one hundred ninety-one thousand, nine hundred seventy-one".