2440421243 has 8 divisors (see below), whose sum is σ = 2630212368. Its totient is φ = 2250925344.

The previous prime is 2440421227. The next prime is 2440421257. The reversal of 2440421243 is 3421240442.

It is a happy number.

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 2440421243 - 2⁴ = 2440421227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2440421273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56480 + ... + 89837.

It is an arithmetic number, because the mean of its divisors is an integer number (328776546).

Almost surely, 2^2440421243 is an apocalyptic number.

2440421243 is a deficient number, since it is larger than the sum of its proper divisors (189791125).

2440421243 is a wasteful number, since it uses less digits than its factorization.

2440421243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147613.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2440421243 is about 49400.6198645321. The cubic root of 2440421243 is about 1346.3405682065.

Adding to 2440421243 its reverse (3421240442), we get a palindrome (5861661685).

The spelling of 2440421243 in words is "two billion, four hundred forty million, four hundred twenty-one thousand, two hundred forty-three".