43343913312 has 432 divisors, whose sum is σ = 149974336512. Its totient is φ = 11613611520.

The previous prime is 43343913247. The next prime is 43343913323. The reversal of 43343913312 is 21331934334.

43343913312 is a `hidden beast` number, since 4 + 334 + 3 + 9 + 1 + 3 + 312 = 666.

43343913312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nude number because it is divisible by every one of its digits.

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, 341290593 + ... + 341290719.

It is an arithmetic number, because the mean of its divisors is an integer number (347162816).

Almost surely, 2^43343913312 is an apocalyptic number.

43343913312 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43343913312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74987168256).

43343913312 is an abundant number, since it is smaller than the sum of its proper divisors (106630423200).

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

43343913312 is a wasteful number, since it uses less digits than its factorization.

43343913312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 213 counting only the distinct ones).

The product of its digits is 69984, while the sum is 36.

The spelling of 43343913312 in words is "forty-three billion, three hundred forty-three million, nine hundred thirteen thousand, three hundred twelve".