43243402050 has 72 divisors (see below), whose sum is σ = 116204771124. Its totient is φ = 11529175680.

The previous prime is 43243402039. The next prime is 43243402067. The reversal of 43243402050 is 5020434234.

It can be written as a sum of positive squares in 6 ways, for example, as 29763495441 + 13479906609 = 172521^2 + 116103^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3617884 + ... + 3629816.

Almost surely, 2^43243402050 is an apocalyptic number.

43243402050 is an abundant number, since it is smaller than the sum of its proper divisors (72961369074).

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

43243402050 is a wasteful number, since it uses less digits than its factorization.

43243402050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20004 (or 19996 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 43243402050 its reverse (5020434234), we get a palindrome (48263836284).

The spelling of 43243402050 in words is "forty-three billion, two hundred forty-three million, four hundred two thousand, fifty".