43260438258 has 64 divisors (see below), whose sum is σ = 98808232320. Its totient is φ = 14019656256.

The previous prime is 43260438197. The next prime is 43260438269. The reversal of 43260438258 is 85283406234.

43260438258 is a `hidden beast` number, since 4 + 3 + 2 + 604 + 38 + 2 + 5 + 8 = 666.

It is an unprimeable number.

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, 2843560 + ... + 2858732.

It is an arithmetic number, because the mean of its divisors is an integer number (1543878630).

Almost surely, 2^43260438258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43260438258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49404116160).

43260438258 is an abundant number, since it is smaller than the sum of its proper divisors (55547794062).

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

43260438258 is a wasteful number, since it uses less digits than its factorization.

43260438258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16648 (or 16642 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 43260438258 in words is "forty-three billion, two hundred sixty million, four hundred thirty-eight thousand, two hundred fifty-eight".