43625440 has 24 divisors (see below), whose sum is σ = 103065480. Its totient is φ = 17450112.

The previous prime is 43625437. The next prime is 43625441. The reversal of 43625440 is 4452634.

43625440 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 = 43625399 and 43625408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43625441) 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, 136170 + ... + 136489.

It is an arithmetic number, because the mean of its divisors is an integer number (4294395).

Almost surely, 2^43625440 is an apocalyptic number.

43625440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43625440 is an abundant number, since it is smaller than the sum of its proper divisors (59440040).

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

43625440 is a wasteful number, since it uses less digits than its factorization.

43625440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272674 (or 272666 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 43625440 is about 6604.9557152187. The cubic root of 43625440 is about 352.0302143486.

The spelling of 43625440 in words is "forty-three million, six hundred twenty-five thousand, four hundred forty".