44320445040 has 40 divisors (see below), whose sum is σ = 137393380368. Its totient is φ = 11818785280.

The previous prime is 44320445009. The next prime is 44320445041. The reversal of 44320445040 is 4054402344.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 44320444989 and 44320445007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44320445041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92334021 + ... + 92334500.

Almost surely, 2^44320445040 is an apocalyptic number.

44320445040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44320445040 is an abundant number, since it is smaller than the sum of its proper divisors (93072935328).

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

44320445040 is a wasteful number, since it uses less digits than its factorization.

44320445040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184668537 (or 184668531 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 44320445040 its reverse (4054402344), we get a palindrome (48374847384).

The spelling of 44320445040 in words is "forty-four billion, three hundred twenty million, four hundred forty-five thousand, forty".