2421440005 has 8 divisors (see below), whose sum is σ = 2908452600. Its totient is φ = 1935335616.

The previous prime is 2421439997. The next prime is 2421440017. The reversal of 2421440005 is 5000441242.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 965407041 + 1456032964 = 31071^2 + 38158^2 .

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 2421440005 - 2³ = 2421439997 is a prime.

It is a congruent number.

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, 221170 + ... + 231859.

It is an arithmetic number, because the mean of its divisors is an integer number (363556575).

Almost surely, 2^2421440005 is an apocalyptic number.

It is an amenable number.

2421440005 is a deficient number, since it is larger than the sum of its proper divisors (487012595).

2421440005 is a wasteful number, since it uses less digits than its factorization.

2421440005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454103.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2421440005 is about 49208.1294604865. The cubic root of 2421440005 is about 1342.8409328461.

Adding to 2421440005 its reverse (5000441242), we get a palindrome (7421881247).

The spelling of 2421440005 in words is "two billion, four hundred twenty-one million, four hundred forty thousand, five".