2400241243 has 4 divisors (see below), whose sum is σ = 2400464440. Its totient is φ = 2400018048.

The previous prime is 2400241223. The next prime is 2400241307. The reversal of 2400241243 is 3421420042.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2400241243 - 2⁵ = 2400241211 is a prime.

It is a super-2 number, since 2×2400241243² = 11522316049196370098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2400241223) 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, 94605 + ... + 117262.

It is an arithmetic number, because the mean of its divisors is an integer number (600116110).

Almost surely, 2^2400241243 is an apocalyptic number.

2400241243 is a deficient number, since it is larger than the sum of its proper divisors (223197).

2400241243 is a wasteful number, since it uses less digits than its factorization.

2400241243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223196.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2400241243 is about 48992.2569698519. The cubic root of 2400241243 is about 1338.9107586650.

Adding to 2400241243 its reverse (3421420042), we get a palindrome (5821661285).

The spelling of 2400241243 in words is "two billion, four hundred million, two hundred forty-one thousand, two hundred forty-three".