1026642206650 has 96 divisors (see below), whose sum is σ = 2019283257600. Its totient is φ = 387261388800.

The previous prime is 1026642206641. The next prime is 1026642206693. The reversal of 1026642206650 is 566022466201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261963391 + ... + 261967309.

It is an arithmetic number, because the mean of its divisors is an integer number (21034200600).

Almost surely, 2^{1026642206650} is an apocalyptic number.

1026642206650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1026642206650 is a deficient number, since it is larger than the sum of its proper divisors (992641050950).

1026642206650 is a wasteful number, since it uses less digits than its factorization.

1026642206650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144 (or 5139 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 1026642206650 in words is "one trillion, twenty-six billion, six hundred forty-two million, two hundred six thousand, six hundred fifty".