2646226642 has 16 divisors (see below), whose sum is σ = 3989704320. Its totient is φ = 1316336112.

The previous prime is 2646226637. The next prime is 2646226673. The reversal of 2646226642 is 2466226462.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2646226595 and 2646226604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707008 + ... + 710740.

It is an arithmetic number, because the mean of its divisors is an integer number (249356520).

Almost surely, 2^2646226642 is an apocalyptic number.

2646226642 is a deficient number, since it is larger than the sum of its proper divisors (1343477678).

2646226642 is a wasteful number, since it uses less digits than its factorization.

2646226642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457.

The product of its digits is 331776, while the sum is 40.

The square root of 2646226642 is about 51441.4875562517. The cubic root of 2646226642 is about 1383.1703769852.

The spelling of 2646226642 in words is "two billion, six hundred forty-six million, two hundred twenty-six thousand, six hundred forty-two".