43240355 has 8 divisors (see below), whose sum is σ = 51937200. Its totient is φ = 34559776.

The previous prime is 43240343. The next prime is 43240397. The reversal of 43240355 is 55304234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43240355 - 2⁴ = 43240339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2861 + ... + 9729.

It is an arithmetic number, because the mean of its divisors is an integer number (6492150).

Almost surely, 2^43240355 is an apocalyptic number.

43240355 is a deficient number, since it is larger than the sum of its proper divisors (8696845).

43240355 is a wasteful number, since it uses less digits than its factorization.

43240355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8133.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 43240355 is about 6575.7398823250. The cubic root of 43240355 is about 350.9913526710.

Adding to 43240355 its reverse (55304234), we get a palindrome (98544589).

The spelling of 43240355 in words is "forty-three million, two hundred forty thousand, three hundred fifty-five".