43243503552 has 84 divisors (see below), whose sum is σ = 123995383200. Its totient is φ = 14409188352.

The previous prime is 43243503529. The next prime is 43243503557. The reversal of 43243503552 is 25530534234.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243503557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1743913 + ... + 1768535.

Almost surely, 2^43243503552 is an apocalyptic number.

It is an amenable number.

43243503552 is an abundant number, since it is smaller than the sum of its proper divisors (80751879648).

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

43243503552 is a wasteful number, since it uses less digits than its factorization.

43243503552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27690 (or 27677 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

The spelling of 43243503552 in words is "forty-three billion, two hundred forty-three million, five hundred three thousand, five hundred fifty-two".