43043703712842 has 128 divisors (see below), whose sum is σ = 102566186680320. Its totient is φ = 11783654910720.

The previous prime is 43043703712721. The next prime is 43043703712843. The reversal of 43043703712842 is 24821730734034.

43043703712842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 43043703712791 and 43043703712800.

It is not an unprimeable number, because it can be changed into a prime (43043703712843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 194742963 + ... + 194963865.

It is an arithmetic number, because the mean of its divisors is an integer number (801298333440).

Almost surely, 2^{43043703712842} is an apocalyptic number.

43043703712842 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 43043703712842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51283093340160).

43043703712842 is an abundant number, since it is smaller than the sum of its proper divisors (59522482967478).

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

43043703712842 is a wasteful number, since it uses less digits than its factorization.

43043703712842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222428.

The product of its (nonzero) digits is 2709504, while the sum is 48.

The spelling of 43043703712842 in words is "forty-three trillion, forty-three billion, seven hundred three million, seven hundred twelve thousand, eight hundred forty-two".