43542194112 has 336 divisors, whose sum is σ = 138046053600. Its totient is φ = 13560348672.

The previous prime is 43542194107. The next prime is 43542194131. The reversal of 43542194112 is 21149124534.

43542194112 is a `hidden beast` number, since 4 + 35 + 421 + 94 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41507764 + ... + 41508812.

It is an arithmetic number, because the mean of its divisors is an integer number (410851350).

Almost surely, 2^43542194112 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 43542194112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69023026800).

43542194112 is an abundant number, since it is smaller than the sum of its proper divisors (94503859488).

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

43542194112 is a wasteful number, since it uses less digits than its factorization.

43542194112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250 (or 1228 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 43542194112 in words is "forty-three billion, five hundred forty-two million, one hundred ninety-four thousand, one hundred twelve".