26664960000 has 680 divisors, whose sum is σ = 104823245824. Its totient is φ = 5898240000.

The previous prime is 26664959999. The next prime is 26664960011. The reversal of 26664960000 is 6946662.

It is a super-2 number, since 2×26664960000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 860159985 + ... + 860160015.

Almost surely, 2^26664960000 is an apocalyptic number.

26664960000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26664960000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52411622912).

26664960000 is an abundant number, since it is smaller than the sum of its proper divisors (78158285824).

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

26664960000 is an frugal number, since it uses more digits than its factorization.

26664960000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 26664960000 in words is "twenty-six billion, six hundred sixty-four million, nine hundred sixty thousand".