2520440611 has 16 divisors (see below), whose sum is σ = 2859300640. Its totient is φ = 2202474240.

The previous prime is 2520440567. The next prime is 2520440677. The reversal of 2520440611 is 1160440252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2520440611 - 2²⁵ = 2486886179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520440711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430081 + ... + 435901.

It is an arithmetic number, because the mean of its divisors is an integer number (178706290).

Almost surely, 2^2520440611 is an apocalyptic number.

2520440611 is a deficient number, since it is larger than the sum of its proper divisors (338860029).

2520440611 is a wasteful number, since it uses less digits than its factorization.

2520440611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7606.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2520440611 is about 50203.9899908364. The cubic root of 2520440611 is about 1360.8977296225.

Adding to 2520440611 its reverse (1160440252), we get a palindrome (3680880863).

The spelling of 2520440611 in words is "two billion, five hundred twenty million, four hundred forty thousand, six hundred eleven".