26402016772650 has 48 divisors (see below), whose sum is σ = 66212698276800. Its totient is φ = 6961430636160.

The previous prime is 26402016772639. The next prime is 26402016772693. The reversal of 26402016772650 is 5627761020462.

It is a self number, because there is not a number n which added to its sum of digits gives 26402016772650.

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 23 ways as a sum of consecutive naturals, for example, 988826230 + ... + 988852929.

It is an arithmetic number, because the mean of its divisors is an integer number (1379431214100).

Almost surely, 2^{26402016772650} is an apocalyptic number.

26402016772650 is an abundant number, since it is smaller than the sum of its proper divisors (39810681504150).

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

26402016772650 is a wasteful number, since it uses less digits than its factorization.

26402016772650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977679263 (or 1977679258 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 26402016772650 in words is "twenty-six trillion, four hundred two billion, sixteen million, seven hundred seventy-two thousand, six hundred fifty".