44947540 has 48 divisors (see below), whose sum is σ = 108400320. Its totient is φ = 15482880.

The previous prime is 44947531. The next prime is 44947579. The reversal of 44947540 is 4574944.

It is a happy number.

44947540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 44947540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197 + ... + 9556.

It is an arithmetic number, because the mean of its divisors is an integer number (2258340).

Almost surely, 2^44947540 is an apocalyptic number.

It is an amenable number.

44947540 is an abundant number, since it is smaller than the sum of its proper divisors (63452780).

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

44947540 is a wasteful number, since it uses less digits than its factorization.

44947540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10792 (or 10790 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 44947540 is about 6704.2926547101. The cubic root of 44947540 is about 355.5510584645.

The spelling of 44947540 in words is "forty-four million, nine hundred forty-seven thousand, five hundred forty".