43513244240 has 160 divisors (see below), whose sum is σ = 108353064960. Its totient is φ = 16222003200.

The previous prime is 43513244233. The next prime is 43513244249. The reversal of 43513244240 is 4244231534.

It is a junction number, because it is equal to n+sod(n) for n = 43513244197 and 43513244206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43513244249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8030012 + ... + 8035428.

It is an arithmetic number, because the mean of its divisors is an integer number (677206656).

Almost surely, 2^43513244240 is an apocalyptic number.

43513244240 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 43513244240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54176532480).

43513244240 is an abundant number, since it is smaller than the sum of its proper divisors (64839820720).

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

43513244240 is a wasteful number, since it uses less digits than its factorization.

43513244240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581 (or 5575 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 43513244240 its reverse (4244231534), we get a palindrome (47757475774).

The spelling of 43513244240 in words is "forty-three billion, five hundred thirteen million, two hundred forty-four thousand, two hundred forty".