43550840652 has 96 divisors (see below), whose sum is σ = 123555559680. Its totient is φ = 11767173120.

The previous prime is 43550840651. The next prime is 43550840681. The reversal of 43550840652 is 25604805534.

It is not an unprimeable number, because it can be changed into a prime (43550840651) 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 31 ways as a sum of consecutive naturals, for example, 468093 + ... + 553364.

It is an arithmetic number, because the mean of its divisors is an integer number (1287037080).

Almost surely, 2^43550840652 is an apocalyptic number.

It is an amenable number.

43550840652 is an abundant number, since it is smaller than the sum of its proper divisors (80004719028).

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

43550840652 is a wasteful number, since it uses less digits than its factorization.

43550840652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021511 (or 1021509 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 43550840652 in words is "forty-three billion, five hundred fifty million, eight hundred forty thousand, six hundred fifty-two".