44728885 has 8 divisors (see below), whose sum is σ = 53749080. Its totient is φ = 35733504.

The previous prime is 44728861. The next prime is 44728891. The reversal of 44728885 is 58882744.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5503716 + 39225169 = 2346^2 + 6263^2 .

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 44728885 - 2⁹ = 44728373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1972 + ... + 9661.

It is an arithmetic number, because the mean of its divisors is an integer number (6718635).

Almost surely, 2^44728885 is an apocalyptic number.

It is an amenable number.

44728885 is a deficient number, since it is larger than the sum of its proper divisors (9020195).

44728885 is a wasteful number, since it uses less digits than its factorization.

44728885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12407.

The product of its digits is 573440, while the sum is 46.

The square root of 44728885 is about 6687.9656847206. The cubic root of 44728885 is about 354.9735747043.

The spelling of 44728885 in words is "forty-four million, seven hundred twenty-eight thousand, eight hundred eighty-five".