43042161904 has 40 divisors (see below), whose sum is σ = 95339779808. Its totient is φ = 18440421120.

The previous prime is 43042161893. The next prime is 43042161983. The reversal of 43042161904 is 40916124034.

It is a self number, because there is not a number n which added to its sum of digits gives 43042161904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276874 + ... + 403414.

Almost surely, 2^43042161904 is an apocalyptic number.

It is an amenable number.

43042161904 is an abundant number, since it is smaller than the sum of its proper divisors (52297617904).

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

43042161904 is a wasteful number, since it uses less digits than its factorization.

43042161904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129593 (or 129587 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 43042161904 its reverse (40916124034), we get a palindrome (83958285938).

The spelling of 43042161904 in words is "forty-three billion, forty-two million, one hundred sixty-one thousand, nine hundred four".