43243259238 has 80 divisors (see below), whose sum is σ = 101180192256. Its totient is φ = 13778115120.

The previous prime is 43243259207. The next prime is 43243259249. The reversal of 43243259238 is 83295234234.

43243259238 is a `hidden beast` number, since 4 + 3 + 24 + 3 + 2 + 592 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 43243259193 and 43243259202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6968245 + ... + 6974447.

Almost surely, 2^43243259238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43243259238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50590096128).

43243259238 is an abundant number, since it is smaller than the sum of its proper divisors (57936933018).

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

43243259238 is a wasteful number, since it uses less digits than its factorization.

43243259238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111 (or 8102 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 43243259238 in words is "forty-three billion, two hundred forty-three million, two hundred fifty-nine thousand, two hundred thirty-eight".