43550252112 has 160 divisors (see below), whose sum is σ = 120286944000. Its totient is φ = 13530046464.

The previous prime is 43550252101. The next prime is 43550252113. The reversal of 43550252112 is 21125205534.

It is a self number, because there is not a number n which added to its sum of digits gives 43550252112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43550252113) 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, 43680798 + ... + 43681794.

It is an arithmetic number, because the mean of its divisors is an integer number (751793400).

Almost surely, 2^43550252112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43550252112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60143472000).

43550252112 is an abundant number, since it is smaller than the sum of its proper divisors (76736691888).

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

43550252112 is a wasteful number, since it uses less digits than its factorization.

43550252112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1487 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 43550252112 its reverse (21125205534), we get a palindrome (64675457646).

The spelling of 43550252112 in words is "forty-three billion, five hundred fifty million, two hundred fifty-two thousand, one hundred twelve".