44380403440 has 20 divisors (see below), whose sum is σ = 103184438184. Its totient is φ = 17752161344.

The previous prime is 44380403437. The next prime is 44380403447. The reversal of 44380403440 is 4430408344.

44380403440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 44380403396 and 44380403405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44380403447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277377442 + ... + 277377601.

Almost surely, 2^44380403440 is an apocalyptic number.

44380403440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44380403440 is an abundant number, since it is smaller than the sum of its proper divisors (58804034744).

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

44380403440 is a wasteful number, since it uses less digits than its factorization.

44380403440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554755056 (or 554755050 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 44380403440 in words is "forty-four billion, three hundred eighty million, four hundred three thousand, four hundred forty".