43437880552 has 32 divisors (see below), whose sum is σ = 89164219680. Its totient is φ = 19674711360.

The previous prime is 43437880547. The next prime is 43437880553. The reversal of 43437880552 is 25508873434.

It is a junction number, because it is equal to n+sod(n) for n = 43437880496 and 43437880505.

It is not an unprimeable number, because it can be changed into a prime (43437880553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847203 + ... + 897010.

It is an arithmetic number, because the mean of its divisors is an integer number (2786381865).

Almost surely, 2^43437880552 is an apocalyptic number.

It is an amenable number.

43437880552 is an abundant number, since it is smaller than the sum of its proper divisors (45726339128).

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

43437880552 is a wasteful number, since it uses less digits than its factorization.

43437880552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744513 (or 1744509 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 43437880552 in words is "forty-three billion, four hundred thirty-seven million, eight hundred eighty thousand, five hundred fifty-two".