6640202262026 has 8 divisors (see below), whose sum is σ = 10303762130820. Its totient is φ = 3205614885088.

The previous prime is 6640202262019. The next prime is 6640202262041. The reversal of 6640202262026 is 6202622020466.

It can be written as a sum of positive squares in 2 ways, for example, as 6581661975625 + 58540286401 = 2565475^2 + 241951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57243122891 + ... + 57243123006.

Almost surely, 2^{6640202262026} is an apocalyptic number.

6640202262026 is a deficient number, since it is larger than the sum of its proper divisors (3663559868794).

6640202262026 is a wasteful number, since it uses less digits than its factorization.

6640202262026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114486245928.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 6640202262026 in words is "six trillion, six hundred forty billion, two hundred two million, two hundred sixty-two thousand, twenty-six".