44434509 has 16 divisors (see below), whose sum is σ = 68370432. Its totient is φ = 25143408.

The previous prime is 44434471. The next prime is 44434519. The reversal of 44434509 is 90543444.

It is not a de Polignac number, because 44434509 - 2⁷ = 44434381 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44434509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44434519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8109 + ... + 12434.

It is an arithmetic number, because the mean of its divisors is an integer number (4273152).

Almost surely, 2^44434509 is an apocalyptic number.

It is an amenable number.

44434509 is a deficient number, since it is larger than the sum of its proper divisors (23935923).

44434509 is a wasteful number, since it uses less digits than its factorization.

44434509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20656.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 44434509 is about 6665.9214666841. The cubic root of 44434509 is about 354.1931261308.

The spelling of 44434509 in words is "forty-four million, four hundred thirty-four thousand, five hundred nine".