43281738044 has 6 divisors (see below), whose sum is σ = 75743041584. Its totient is φ = 21640869020.

The previous prime is 43281738043. The next prime is 43281738089. The reversal of 43281738044 is 44083718234.

43281738044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 43281737986 and 43281738004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43281738041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5410217252 + ... + 5410217259.

It is an arithmetic number, because the mean of its divisors is an integer number (12623840264).

Almost surely, 2^43281738044 is an apocalyptic number.

It is an amenable number.

43281738044 is a deficient number, since it is larger than the sum of its proper divisors (32461303540).

43281738044 is a wasteful number, since it uses less digits than its factorization.

43281738044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10820434515 (or 10820434513 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 43281738044 in words is "forty-three billion, two hundred eighty-one million, seven hundred thirty-eight thousand, forty-four".