26906680570 has 48 divisors (see below), whose sum is σ = 61461060768. Its totient is φ = 8386496160.

The previous prime is 26906680561. The next prime is 26906680573. The reversal of 26906680570 is 7508660962.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (26906680573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2490592 + ... + 2501371.

It is an arithmetic number, because the mean of its divisors is an integer number (1280438766).

Almost surely, 2^26906680570 is an apocalyptic number.

26906680570 is an abundant number, since it is smaller than the sum of its proper divisors (34554380198).

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

26906680570 is a wasteful number, since it uses less digits than its factorization.

26906680570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991995 (or 4991988 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 26906680570 in words is "twenty-six billion, nine hundred six million, six hundred eighty thousand, five hundred seventy".