44540003 has 4 divisors (see below), whose sum is σ = 44567328. Its totient is φ = 44512680.

The previous prime is 44539997. The next prime is 44540011. The reversal of 44540003 is 30004544.

It is a happy number.

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 44540003 - 2¹⁶ = 44474467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44540203) 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, 11051 + ... + 14532.

It is an arithmetic number, because the mean of its divisors is an integer number (11141832).

Almost surely, 2^44540003 is an apocalyptic number.

44540003 is a deficient number, since it is larger than the sum of its proper divisors (27325).

44540003 is a wasteful number, since it uses less digits than its factorization.

44540003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27324.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 44540003 is about 6673.8297101439. The cubic root of 44540003 is about 354.4732066302.

Adding to 44540003 its reverse (30004544), we get a palindrome (74544547).

The spelling of 44540003 in words is "forty-four million, five hundred forty thousand, three".