6642262026 has 24 divisors (see below), whose sum is σ = 14425931520. Its totient is φ = 2208800616.

The previous prime is 6642262021. The next prime is 6642262037. The reversal of 6642262026 is 6202622466.

It is a happy number.

6642262026 is a `hidden beast` number, since 6 + 6 + 4 + 2 + 2 + 620 + 26 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6642262021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432810 + ... + 447893.

It is an arithmetic number, because the mean of its divisors is an integer number (601080480).

Almost surely, 2^6642262026 is an apocalyptic number.

6642262026 is an abundant number, since it is smaller than the sum of its proper divisors (7783669494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6642262026 is a wasteful number, since it uses less digits than its factorization.

6642262026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881130 (or 881127 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 6642262026 is about 81500.0737791077. The cubic root of 6642262026 is about 1879.7726850933.

The spelling of 6642262026 in words is "six billion, six hundred forty-two million, two hundred sixty-two thousand, twenty-six".