2646326326 has 16 divisors (see below), whose sum is σ = 4544630784. Its totient is φ = 1132122024.

The previous prime is 2646326323. The next prime is 2646326363. The reversal of 2646326326 is 6236236462.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646326323) 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, 159990 + ... + 175753.

It is an arithmetic number, because the mean of its divisors is an integer number (284039424).

Almost surely, 2^2646326326 is an apocalyptic number.

2646326326 is a deficient number, since it is larger than the sum of its proper divisors (1898304458).

2646326326 is a wasteful number, since it uses less digits than its factorization.

2646326326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336315.

The product of its digits is 373248, while the sum is 40.

The square root of 2646326326 is about 51442.4564537892. The cubic root of 2646326326 is about 1383.1877448885.

The spelling of 2646326326 in words is "two billion, six hundred forty-six million, three hundred twenty-six thousand, three hundred twenty-six".