43630464 has 32 divisors (see below), whose sum is σ = 115894440. Its totient is φ = 14543360.

The previous prime is 43630463. The next prime is 43630487. The reversal of 43630464 is 46403634.

43630464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43630463) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 56427 + ... + 57194.

Almost surely, 2^43630464 is an apocalyptic number.

It is an amenable number.

43630464 is an abundant number, since it is smaller than the sum of its proper divisors (72263976).

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

43630464 is a wasteful number, since it uses less digits than its factorization.

43630464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113638 (or 113626 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 43630464 is about 6605.3360247606. The cubic root of 43630464 is about 352.0437273501.

The spelling of 43630464 in words is "forty-three million, six hundred thirty thousand, four hundred sixty-four".