44042505 has 16 divisors (see below), whose sum is σ = 75888960. Its totient is φ = 21682368.

The previous prime is 44042501. The next prime is 44042519. The reversal of 44042505 is 50524044.

It is not a de Polignac number, because 44042505 - 2² = 44042501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44042501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112735 + ... + 113124.

It is an arithmetic number, because the mean of its divisors is an integer number (4743060).

Almost surely, 2^44042505 is an apocalyptic number.

It is an amenable number.

44042505 is a deficient number, since it is larger than the sum of its proper divisors (31846455).

44042505 is a wasteful number, since it uses less digits than its factorization.

44042505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225880.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 44042505 is about 6636.4527422411. The cubic root of 44042505 is about 353.1484768374.

Adding to 44042505 its reverse (50524044), we get a palindrome (94566549).

The spelling of 44042505 in words is "forty-four million, forty-two thousand, five hundred five".