43043431450432 has 56 divisors (see below), whose sum is σ = 97617427238720. Its totient is φ = 18446981990400.

The previous prime is 43043431450427. The next prime is 43043431450441. The reversal of 43043431450432 is 23405413434034.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44527432 + ... + 45483832.

Almost surely, 2^{43043431450432} is an apocalyptic number.

It is an amenable number.

43043431450432 is an abundant number, since it is smaller than the sum of its proper divisors (54573995788288).

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

43043431450432 is a wasteful number, since it uses less digits than its factorization.

43043431450432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056879 (or 1056869 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 43043431450432 its reverse (23405413434034), we get a palindrome (66448844884466).

The spelling of 43043431450432 in words is "forty-three trillion, forty-three billion, four hundred thirty-one million, four hundred fifty thousand, four hundred thirty-two".