44649791 has 8 divisors (see below), whose sum is σ = 47061120. Its totient is φ = 42244632.

The previous prime is 44649751. The next prime is 44649799. The reversal of 44649791 is 19794644.

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

It is a cyclic number.

It is not a de Polignac number, because 44649791 - 2⁶ = 44649727 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 (44649799) 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, 28166 + ... + 29708.

It is an arithmetic number, because the mean of its divisors is an integer number (5882640).

Almost surely, 2^44649791 is an apocalyptic number.

44649791 is a deficient number, since it is larger than the sum of its proper divisors (2411329).

44649791 is a wasteful number, since it uses less digits than its factorization.

44649791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085.

The product of its digits is 217728, while the sum is 44.

The square root of 44649791 is about 6682.0499100201. The cubic root of 44649791 is about 354.7642182279.

The spelling of 44649791 in words is "forty-four million, six hundred forty-nine thousand, seven hundred ninety-one".