44738561 has 16 divisors (see below), whose sum is σ = 53635200. Its totient is φ = 36505728.

The previous prime is 44738557. The next prime is 44738567. The reversal of 44738561 is 16583744.

It is not a de Polignac number, because 44738561 - 2² = 44738557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44738567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13310 + ... + 16328.

It is an arithmetic number, because the mean of its divisors is an integer number (3352200).

Almost surely, 2^44738561 is an apocalyptic number.

It is an amenable number.

44738561 is a deficient number, since it is larger than the sum of its proper divisors (8896639).

44738561 is a wasteful number, since it uses less digits than its factorization.

44738561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128.

The product of its digits is 80640, while the sum is 38.

The square root of 44738561 is about 6688.6890344820. The cubic root of 44738561 is about 354.9991694750. Note that the first 3 decimals are identical.

The spelling of 44738561 in words is "forty-four million, seven hundred thirty-eight thousand, five hundred sixty-one".