43303749552 has 200 divisors, whose sum is σ = 143507258400. Its totient is φ = 12349283328.

The previous prime is 43303749539. The next prime is 43303749581. The reversal of 43303749552 is 25594730334.

It is a junction number, because it is equal to n+sod(n) for n = 43303749498 and 43303749507.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5157774 + ... + 5166162.

It is an arithmetic number, because the mean of its divisors is an integer number (717536292).

Almost surely, 2^43303749552 is an apocalyptic number.

43303749552 is a gapful number since it is divisible by the number (42) 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 43303749552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71753629200).

43303749552 is an abundant number, since it is smaller than the sum of its proper divisors (100203508848).

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

43303749552 is a wasteful number, since it uses less digits than its factorization.

43303749552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8985 (or 8970 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The spelling of 43303749552 in words is "forty-three billion, three hundred three million, seven hundred forty-nine thousand, five hundred fifty-two".