44440823808 has 72 divisors (see below), whose sum is σ = 128353311450. Its totient is φ = 14813601792.

The previous prime is 44440823803. The next prime is 44440823837. The reversal of 44440823808 is 80832804444.

44440823808 is a `hidden beast` number, since 4 + 4 + 4 + 408 + 238 + 0 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34222040064 + 10218783744 = 184992^2 + 101088^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (44440823803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1187103 + ... + 1223966.

Almost surely, 2^44440823808 is an apocalyptic number.

44440823808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

44440823808 is an abundant number, since it is smaller than the sum of its proper divisors (83912487642).

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

44440823808 is a wasteful number, since it uses less digits than its factorization.

44440823808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411097 (or 2411074 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 45.

The spelling of 44440823808 in words is "forty-four billion, four hundred forty million, eight hundred twenty-three thousand, eight hundred eight".