2440505213 has 4 divisors (see below), whose sum is σ = 2440748928. Its totient is φ = 2440261500.

The previous prime is 2440505203. The next prime is 2440505233. The reversal of 2440505213 is 3125050442.

It is a happy number.

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 2440505213 - 2¹² = 2440501117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440505203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106163 + ... + 127088.

It is an arithmetic number, because the mean of its divisors is an integer number (610187232).

Almost surely, 2^2440505213 is an apocalyptic number.

It is an amenable number.

2440505213 is a deficient number, since it is larger than the sum of its proper divisors (243715).

2440505213 is a wasteful number, since it uses less digits than its factorization.

2440505213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243714.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2440505213 is about 49401.4697453426. The cubic root of 2440505213 is about 1346.3560096555.

Adding to 2440505213 its reverse (3125050442), we get a palindrome (5565555655).

The spelling of 2440505213 in words is "two billion, four hundred forty million, five hundred five thousand, two hundred thirteen".