44240240440 has 64 divisors (see below), whose sum is σ = 108701883360. Its totient is φ = 16070737920.

The previous prime is 44240240419. The next prime is 44240240459. The reversal of 44240240440 is 4404204244.

It is a super-2 number, since 2×44240240440² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44240240399 and 44240240408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378424 + ... + 481336.

Almost surely, 2^44240240440 is an apocalyptic number.

44240240440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44240240440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54350941680).

44240240440 is an abundant number, since it is smaller than the sum of its proper divisors (64461642920).

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

44240240440 is a wasteful number, since it uses less digits than its factorization.

44240240440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103912 (or 103908 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 44240240440 its reverse (4404204244), we get a palindrome (48644444684).

The spelling of 44240240440 in words is "forty-four billion, two hundred forty million, two hundred forty thousand, four hundred forty".