2640130322 has 4 divisors (see below), whose sum is σ = 3960195486. Its totient is φ = 1320065160.

The previous prime is 2640130303. The next prime is 2640130331. The reversal of 2640130322 is 2230310462.

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., 2570591401 + 69538921 = 50701^2 + 8339^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660032579 + ... + 660032582.

Almost surely, 2^2640130322 is an apocalyptic number.

2640130322 is a deficient number, since it is larger than the sum of its proper divisors (1320065164).

2640130322 is a wasteful number, since it uses less digits than its factorization.

2640130322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320065163.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2640130322 is about 51382.1984932525. The cubic root of 2640130322 is about 1382.1073875517.

Adding to 2640130322 its reverse (2230310462), we get a palindrome (4870440784).

The spelling of 2640130322 in words is "two billion, six hundred forty million, one hundred thirty thousand, three hundred twenty-two".