43235040 has 48 divisors (see below), whose sum is σ = 136191888. Its totient is φ = 11529216.

The previous prime is 43235039. The next prime is 43235057. The reversal of 43235040 is 4053234.

It is a happy number.

43235040 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 (48).

It is a junction number, because it is equal to n+sod(n) for n = 43234998 and 43235016.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 44557 + ... + 45516.

It is an arithmetic number, because the mean of its divisors is an integer number (2837331).

Almost surely, 2^43235040 is an apocalyptic number.

43235040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43235040 is an abundant number, since it is smaller than the sum of its proper divisors (92956848).

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

43235040 is a wasteful number, since it uses less digits than its factorization.

43235040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90091 (or 90083 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 43235040 is about 6575.3357328733. The cubic root of 43235040 is about 350.9769710786.

Adding to 43235040 its reverse (4053234), we get a palindrome (47288274).

The spelling of 43235040 in words is "forty-three million, two hundred thirty-five thousand, forty".