44273540 has 12 divisors (see below), whose sum is σ = 92974476. Its totient is φ = 17709408.

The previous prime is 44273539. The next prime is 44273543. The reversal of 44273540 is 4537244.

It can be written as a sum of positive squares in 2 ways, for example, as 19909444 + 24364096 = 4462^2 + 4936^2 .

It is not an unprimeable number, because it can be changed into a prime (44273543) 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, 1106819 + ... + 1106858.

It is an arithmetic number, because the mean of its divisors is an integer number (7747873).

Almost surely, 2^44273540 is an apocalyptic number.

It is an amenable number.

44273540 is an abundant number, since it is smaller than the sum of its proper divisors (48700936).

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

44273540 is a wasteful number, since it uses less digits than its factorization.

44273540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213686 (or 2213684 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 44273540 is about 6653.8364873207. The cubic root of 44273540 is about 353.7649071619.

The spelling of 44273540 in words is "forty-four million, two hundred seventy-three thousand, five hundred forty".