44424738 has 18 divisors (see below), whose sum is σ = 96314907. Its totient is φ = 14798820.

The previous prime is 44424733. The next prime is 44424761. The reversal of 44424738 is 83742444.

It is a happy number.

44424738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 22212369 + 22212369 = 4713^2 + 4713^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4713.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44424733) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 27493 + ... + 29063.

Almost surely, 2^44424738 is an apocalyptic number.

44424738 is an abundant number, since it is smaller than the sum of its proper divisors (51890169).

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

44424738 is an equidigital number, since it uses as much as digits as its factorization.

44424738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150 (or 1576 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 44424738 is about 6665.1885194644. The cubic root of 44424738 is about 354.1671622661.

It can be divided in two parts, 4442 and 4738, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 44424738 in words is "forty-four million, four hundred twenty-four thousand, seven hundred thirty-eight".