44540791 has 4 divisors (see below), whose sum is σ = 44576584. Its totient is φ = 44505000.

The previous prime is 44540761. The next prime is 44540803. The reversal of 44540791 is 19704544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44540791 - 2⁵ = 44540759 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 (44540701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15960 + ... + 18541.

It is an arithmetic number, because the mean of its divisors is an integer number (11144146).

Almost surely, 2^44540791 is an apocalyptic number.

44540791 is a deficient number, since it is larger than the sum of its proper divisors (35793).

44540791 is a wasteful number, since it uses less digits than its factorization.

44540791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35792.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 44540791 is about 6673.8887464506. Note that the first 3 decimals coincide. The cubic root of 44540791 is about 354.4752970599.

The spelling of 44540791 in words is "forty-four million, five hundred forty thousand, seven hundred ninety-one".