43242104400440 has 96 divisors (see below), whose sum is σ = 106985654072640. Its totient is φ = 15718247550720.

The previous prime is 43242104400427. The next prime is 43242104400491. The reversal of 43242104400440 is 4400440124234.

It is a junction number, because it is equal to n+sod(n) for n = 43242104400397 and 43242104400406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10628849 + ... + 14122911.

It is an arithmetic number, because the mean of its divisors is an integer number (1114433896590).

Almost surely, 2^{43242104400440} is an apocalyptic number.

43242104400440 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 43242104400440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53492827036320).

43242104400440 is an abundant number, since it is smaller than the sum of its proper divisors (63743549672200).

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

43242104400440 is a wasteful number, since it uses less digits than its factorization.

43242104400440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496653 (or 3496638 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 43242104400440 its reverse (4400440124234), we get a palindrome (47642544524674).

The spelling of 43242104400440 in words is "forty-three trillion, two hundred forty-two billion, one hundred four million, four hundred thousand, four hundred forty".