43043213434240 has 64 divisors (see below), whose sum is σ = 103168851586560. Its totient is φ = 17172331528192.

The previous prime is 43043213434187. The next prime is 43043213434297. The reversal of 43043213434240 is 4243431234034.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 43043213434240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87555169 + ... + 88045408.

It is an arithmetic number, because the mean of its divisors is an integer number (1612013306040).

Almost surely, 2^{43043213434240} is an apocalyptic number.

43043213434240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43043213434240 is an abundant number, since it is smaller than the sum of its proper divisors (60125638152320).

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

43043213434240 is a wasteful number, since it uses less digits than its factorization.

43043213434240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175600979 (or 175600967 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 43043213434240 its reverse (4243431234034), we get a palindrome (47286644668274).

The spelling of 43043213434240 in words is "forty-three trillion, forty-three billion, two hundred thirteen million, four hundred thirty-four thousand, two hundred forty".