26578960012 has 24 divisors (see below), whose sum is σ = 53726455440. Its totient is φ = 11370677760.

The previous prime is 26578960003. The next prime is 26578960013. The reversal of 26578960012 is 21006987562.

It is a super-2 number, since 2×26578960012² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26578960013) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17765937 + ... + 17767432.

It is an arithmetic number, because the mean of its divisors is an integer number (2238602310).

Almost surely, 2^26578960012 is an apocalyptic number.

26578960012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

26578960012 is an abundant number, since it is smaller than the sum of its proper divisors (27147495428).

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

26578960012 is a wasteful number, since it uses less digits than its factorization.

26578960012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35533401 (or 35533399 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 26578960012 in words is "twenty-six billion, five hundred seventy-eight million, nine hundred sixty thousand, twelve".