43240406042 has 24 divisors (see below), whose sum is σ = 68952552480. Its totient is φ = 20329653080.

The previous prime is 43240406023. The next prime is 43240406047. The reversal of 43240406042 is 24060404234.

It is a junction number, because it is equal to n+sod(n) for n = 43240405996 and 43240406014.

It is not an unprimeable number, because it can be changed into a prime (43240406047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283934 + ... + 408777.

It is an arithmetic number, because the mean of its divisors is an integer number (2873023020).

Almost surely, 2^43240406042 is an apocalyptic number.

43240406042 is a deficient number, since it is larger than the sum of its proper divisors (25712146438).

43240406042 is a wasteful number, since it uses less digits than its factorization.

43240406042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692818 (or 692795 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The spelling of 43240406042 in words is "forty-three billion, two hundred forty million, four hundred six thousand, forty-two".