26285939670 has 32 divisors (see below), whose sum is σ = 63107424000. Its totient is φ = 7007231840.

The previous prime is 26285939663. The next prime is 26285939717. The reversal of 26285939670 is 7693958262.

It is a self number, because there is not a number n which added to its sum of digits gives 26285939670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55170 + ... + 235829.

It is an arithmetic number, because the mean of its divisors is an integer number (1972107000).

Almost surely, 2^26285939670 is an apocalyptic number.

26285939670 is an abundant number, since it is smaller than the sum of its proper divisors (36821484330).

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

26285939670 is a wasteful number, since it uses less digits than its factorization.

26285939670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294020.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 26285939670 in words is "twenty-six billion, two hundred eighty-five million, nine hundred thirty-nine thousand, six hundred seventy".