40243461 has 4 divisors (see below), whose sum is σ = 53657952. Its totient is φ = 26828972.

The previous prime is 40243459. The next prime is 40243477. The reversal of 40243461 is 16434204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40243461 - 2¹ = 40243459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6707241 + ... + 6707246.

It is an arithmetic number, because the mean of its divisors is an integer number (13414488).

Almost surely, 2^40243461 is an apocalyptic number.

It is an amenable number.

40243461 is a deficient number, since it is larger than the sum of its proper divisors (13414491).

40243461 is a wasteful number, since it uses less digits than its factorization.

40243461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13414490.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 40243461 is about 6343.7734038977. The cubic root of 40243461 is about 342.6876404460.

Adding to 40243461 its reverse (16434204), we get a palindrome (56677665).

It can be divided in two parts, 40243 and 461, that added together give a palindrome (40704).

The spelling of 40243461 in words is "forty million, two hundred forty-three thousand, four hundred sixty-one".