44273778 has 16 divisors (see below), whose sum is σ = 91601280. Its totient is φ = 14248976.

The previous prime is 44273773. The next prime is 44273783. The reversal of 44273778 is 87737244.

It is an interprime number because it is at equal distance from previous prime (44273773) and next prime (44273783).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (44273771) by changing a digit.

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, 127050 + ... + 127397.

It is an arithmetic number, because the mean of its divisors is an integer number (5725080).

Almost surely, 2^44273778 is an apocalyptic number.

44273778 is an abundant number, since it is smaller than the sum of its proper divisors (47327502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44273778 is a wasteful number, since it uses less digits than its factorization.

44273778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254481.

The product of its digits is 263424, while the sum is 42.

The square root of 44273778 is about 6653.8543717157. The cubic root of 44273778 is about 353.7655410687.

The spelling of 44273778 in words is "forty-four million, two hundred seventy-three thousand, seven hundred seventy-eight".