43649052448 has 12 divisors (see below), whose sum is σ = 85934072070. Its totient is φ = 21824526208.

The previous prime is 43649052443. The next prime is 43649052479. The reversal of 43649052448 is 84425094634.

43649052448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38955706384 + 4693346064 = 197372^2 + 68508^2 .

It is not an unprimeable number, because it can be changed into a prime (43649052443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682016413 + ... + 682016476.

Almost surely, 2^43649052448 is an apocalyptic number.

It is an amenable number.

43649052448 is a deficient number, since it is larger than the sum of its proper divisors (42285019622).

43649052448 is a wasteful number, since it uses less digits than its factorization.

43649052448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364032899 (or 1364032891 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 43649052448 in words is "forty-three billion, six hundred forty-nine million, fifty-two thousand, four hundred forty-eight".