43403531012 has 48 divisors (see below), whose sum is σ = 80659998720. Its totient is φ = 20391694752.

The previous prime is 43403530979. The next prime is 43403531021. The reversal of 43403531012 is 21013530434.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12737813 + ... + 12741219.

It is an arithmetic number, because the mean of its divisors is an integer number (1680416640).

Almost surely, 2^43403531012 is an apocalyptic number.

It is an amenable number.

43403531012 is a deficient number, since it is larger than the sum of its proper divisors (37256467708).

43403531012 is a wasteful number, since it uses less digits than its factorization.

43403531012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840 (or 5838 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The spelling of 43403531012 in words is "forty-three billion, four hundred three million, five hundred thirty-one thousand, twelve".