26676686730 has 32 divisors (see below), whose sum is σ = 64512790848.
Its totient is φ = 7059478400.
The previous prime is 26676686723. The next prime is 26676686731. The reversal of 26676686730 is 3768667662.
It is a super-2 number, since 2×266766867302 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (26676686731) 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 15 ways as a sum of consecutive naturals, for example, 3390051 + ... + 3397910.
It is an arithmetic number, because the mean of its divisors is an integer number (2016024714).
Almost surely, 226676686730 is an apocalyptic number.
26676686730 is an abundant number, since it is smaller than the sum of its proper divisors (37836104118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26676686730 is a wasteful number, since it uses less digits than its factorization.
26676686730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6788102.
The product of its (nonzero) digits is 18289152, while the sum is 57.
The spelling of 26676686730 in words is "twenty-six billion, six hundred seventy-six million, six hundred eighty-six thousand, seven hundred thirty".