43240636 has 12 divisors (see below), whose sum is σ = 76406512. Its totient is φ = 21410208.

The previous prime is 43240607. The next prime is 43240651. The reversal of 43240636 is 63604234.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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, 52065 + ... + 52888.

Almost surely, 2^43240636 is an apocalyptic number.

It is an amenable number.

43240636 is a deficient number, since it is larger than the sum of its proper divisors (33165876).

43240636 is a wasteful number, since it uses less digits than its factorization.

43240636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105060 (or 105058 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 43240636 is about 6575.7612487073. The cubic root of 43240636 is about 350.9921129820.

The spelling of 43240636 in words is "forty-three million, two hundred forty thousand, six hundred thirty-six".