26666448144 has 40 divisors (see below), whose sum is σ = 78729514560. Its totient is φ = 7618985088.

The previous prime is 26666448131. The next prime is 26666448169. The reversal of 26666448144 is 44184466662.

It is a super-2 number, since 2×26666448144² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39681879 + ... + 39682550.

It is an arithmetic number, because the mean of its divisors is an integer number (1968237864).

Almost surely, 2^26666448144 is an apocalyptic number.

26666448144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26666448144 is an abundant number, since it is smaller than the sum of its proper divisors (52063066416).

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

26666448144 is a wasteful number, since it uses less digits than its factorization.

26666448144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79364447 (or 79364441 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 51.

The spelling of 26666448144 in words is "twenty-six billion, six hundred sixty-six million, four hundred forty-eight thousand, one hundred forty-four".