44509428 has 36 divisors (see below), whose sum is σ = 116142208. Its totient is φ = 14357520.

The previous prime is 44509411. The next prime is 44509447. The reversal of 44509428 is 82490544.

44509428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 44509392 and 44509401.

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 11 ways as a sum of consecutive naturals, for example, 18826 + ... + 21057.

Almost surely, 2^44509428 is an apocalyptic number.

It is an amenable number.

44509428 is an abundant number, since it is smaller than the sum of its proper divisors (71632780).

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

44509428 is a wasteful number, since it uses less digits than its factorization.

44509428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39924 (or 39919 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 44509428 is about 6671.5386531144. The cubic root of 44509428 is about 354.3920773197.

The spelling of 44509428 in words is "forty-four million, five hundred nine thousand, four hundred twenty-eight".