44528109 has 16 divisors (see below), whose sum is σ = 61496064. Its totient is φ = 28641600.

The previous prime is 44528101. The next prime is 44528111. The reversal of 44528109 is 90182544.

It is not a de Polignac number, because 44528109 - 2³ = 44528101 is a prime.

It is a super-2 number, since 2×44528109² = 3965504982231762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44528109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44528101) 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, 7404 + ... + 11994.

It is an arithmetic number, because the mean of its divisors is an integer number (3843504).

Almost surely, 2^44528109 is an apocalyptic number.

It is an amenable number.

44528109 is a deficient number, since it is larger than the sum of its proper divisors (16967955).

44528109 is a wasteful number, since it uses less digits than its factorization.

44528109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 44528109 is about 6672.9385580867. The cubic root of 44528109 is about 354.4416508797.

It can be divided in two parts, 4452 and 8109, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 44528109 in words is "forty-four million, five hundred twenty-eight thousand, one hundred nine".