26248828020642 has 48 divisors (see below), whose sum is σ = 57323177271360. Its totient is φ = 8680306970400.

The previous prime is 26248828020631. The next prime is 26248828020659. The reversal of 26248828020642 is 24602082884262.

26248828020642 is a `hidden beast` number, since 2 + 6 + 2 + 488 + 2 + 80 + 20 + 64 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6552859 + ... + 9769217.

It is an arithmetic number, because the mean of its divisors is an integer number (1194232859820).

Almost surely, 2^{26248828020642} is an apocalyptic number.

26248828020642 is an abundant number, since it is smaller than the sum of its proper divisors (31074349250718).

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

26248828020642 is a wasteful number, since it uses less digits than its factorization.

26248828020642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219959 (or 3219956 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 54.

The spelling of 26248828020642 in words is "twenty-six trillion, two hundred forty-eight billion, eight hundred twenty-eight million, twenty thousand, six hundred forty-two".