2640358322 has 16 divisors (see below), whose sum is σ = 4568633280. Its totient is φ = 1121005968.

The previous prime is 2640358307. The next prime is 2640358327. The reversal of 2640358322 is 2238530462.

2640358322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2640358327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879797 + ... + 882792.

It is an arithmetic number, because the mean of its divisors is an integer number (285539580).

Almost surely, 2^2640358322 is an apocalyptic number.

2640358322 is a deficient number, since it is larger than the sum of its proper divisors (1928274958).

2640358322 is a wasteful number, since it uses less digits than its factorization.

2640358322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762705.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 2640358322 is about 51384.4171125838. The cubic root of 2640358322 is about 1382.1471723824.

Adding to 2640358322 its reverse (2238530462), we get a palindrome (4878888784).

The spelling of 2640358322 in words is "two billion, six hundred forty million, three hundred fifty-eight thousand, three hundred twenty-two".