43112578068 has 216 divisors, whose sum is σ = 140066926272. Its totient is φ = 11089064448.

The previous prime is 43112578043. The next prime is 43112578073. The reversal of 43112578068 is 86087521134.

43112578068 is a `hidden beast` number, since 4 + 3 + 1 + 12 + 578 + 0 + 68 = 666.

It is a super-2 number, since 2×43112578068² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 658471 + ... + 720977.

It is an arithmetic number, because the mean of its divisors is an integer number (648457992).

Almost surely, 2^43112578068 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 43112578068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70033463136).

43112578068 is an abundant number, since it is smaller than the sum of its proper divisors (96954348204).

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

43112578068 is a wasteful number, since it uses less digits than its factorization.

43112578068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62571 (or 62559 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 43112578068 in words is "forty-three billion, one hundred twelve million, five hundred seventy-eight thousand, sixty-eight".