2520244242 has 12 divisors (see below), whose sum is σ = 5460529230. Its totient is φ = 840081408.

The previous prime is 2520244229. The next prime is 2520244249. The reversal of 2520244242 is 2424420252.

It can be written as a sum of positive squares in only one way, i.e., 2378610441 + 141633801 = 48771^2 + 11901^2 .

It is not an unprimeable number, because it can be changed into a prime (2520244249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70006767 + ... + 70006802.

Almost surely, 2^2520244242 is an apocalyptic number.

2520244242 is an abundant number, since it is smaller than the sum of its proper divisors (2940284988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2520244242 is a wasteful number, since it uses less digits than its factorization.

2520244242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140013577 (or 140013574 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 2520244242 is about 50202.0342416520. The cubic root of 2520244242 is about 1360.8623859256.

Adding to 2520244242 its reverse (2424420252), we get a palindrome (4944664494).

The spelling of 2520244242 in words is "two billion, five hundred twenty million, two hundred forty-four thousand, two hundred forty-two".