43840729948 has 12 divisors (see below), whose sum is σ = 76731673312. Its totient is φ = 21917394720.

The previous prime is 43840729931. The next prime is 43840729957. The reversal of 43840729948 is 84992704834.

43840729948 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 = 43840729892 and 43840729901.

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, 709188 + ... + 768523.

Almost surely, 2^43840729948 is an apocalyptic number.

It is an amenable number.

43840729948 is a deficient number, since it is larger than the sum of its proper divisors (32890943364).

43840729948 is a wasteful number, since it uses less digits than its factorization.

43840729948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485132 (or 1485130 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 43840729948 in words is "forty-three billion, eight hundred forty million, seven hundred twenty-nine thousand, nine hundred forty-eight".