2520440252 has 24 divisors (see below), whose sum is σ = 4823903280. Its totient is φ = 1142760960.

The previous prime is 2520440243. The next prime is 2520440317.

2520440252 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 54677 + ... + 89612.

It is an arithmetic number, because the mean of its divisors is an integer number (200995970).

Almost surely, 2^2520440252 is an apocalyptic number.

2520440252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2520440252 is a deficient number, since it is larger than the sum of its proper divisors (2303463028).

2520440252 is a wasteful number, since it uses less digits than its factorization.

2520440252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144701 (or 144699 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2520440252 is about 50203.9864154232. The cubic root of 2520440252 is about 1360.8976650091.

It can be divided in two parts, 25204 and 40252, that added together give a palindrome (65456).

The spelling of 2520440252 in words is "two billion, five hundred twenty million, four hundred forty thousand, two hundred fifty-two".