2540323202 has 4 divisors (see below), whose sum is σ = 3810484806. Its totient is φ = 1270161600.

The previous prime is 2540323193. The next prime is 2540323207. The reversal of 2540323202 is 2023230452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2068521361 + 471801841 = 45481^2 + 21721^2 .

It is not an unprimeable number, because it can be changed into a prime (2540323207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635080799 + ... + 635080802.

Almost surely, 2^2540323202 is an apocalyptic number.

2540323202 is a deficient number, since it is larger than the sum of its proper divisors (1270161604).

2540323202 is a wasteful number, since it uses less digits than its factorization.

2540323202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270161603.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 2540323202 is about 50401.6190414554. The cubic root of 2540323202 is about 1364.4668586617.

Adding to 2540323202 its reverse (2023230452), we get a palindrome (4563553654).

The spelling of 2540323202 in words is "two billion, five hundred forty million, three hundred twenty-three thousand, two hundred two".