44404440440 has 32 divisors (see below), whose sum is σ = 100522950480. Its totient is φ = 17652805632.

The previous prime is 44404440427. The next prime is 44404440449. The reversal of 44404440440 is 4404440444.

It is a junction number, because it is equal to n+sod(n) for n = 44404440397 and 44404440406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44404440449) 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, 3398729 + ... + 3411768.

Almost surely, 2^44404440440 is an apocalyptic number.

44404440440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44404440440 is an abundant number, since it is smaller than the sum of its proper divisors (56118510040).

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

44404440440 is a wasteful number, since it uses less digits than its factorization.

44404440440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6810671 (or 6810667 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 44404440440 its reverse (4404440444), we get a palindrome (48808880884).

It can be divided in two parts, 444044 and 40440, that added together give a palindrome (484484).

The spelling of 44404440440 in words is "forty-four billion, four hundred four million, four hundred forty thousand, four hundred forty".