43040402044 has 12 divisors (see below), whose sum is σ = 78595516944. Its totient is φ = 20584540064.

The previous prime is 43040402039. The next prime is 43040402051. The reversal of 43040402044 is 44020404034.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233915137 + ... + 233915320.

It is an arithmetic number, because the mean of its divisors is an integer number (6549626412).

Almost surely, 2^43040402044 is an apocalyptic number.

It is an amenable number.

43040402044 is a deficient number, since it is larger than the sum of its proper divisors (35555114900).

43040402044 is a wasteful number, since it uses less digits than its factorization.

43040402044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467830484 (or 467830482 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 43040402044 its reverse (44020404034), we get a palindrome (87060806078).

The spelling of 43040402044 in words is "forty-three billion, forty million, four hundred two thousand, forty-four".