26664248480 has 24 divisors (see below), whose sum is σ = 62994287412. Its totient is φ = 10665699328.

The previous prime is 26664248461. The next prime is 26664248489. The reversal of 26664248480 is 8484246662.

It can be written as a sum of positive squares in 2 ways, for example, as 21610176016 + 5054072464 = 147004^2 + 71092^2 .

It is not an unprimeable number, because it can be changed into a prime (26664248489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83325617 + ... + 83325936.

Almost surely, 2^26664248480 is an apocalyptic number.

26664248480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26664248480 is an abundant number, since it is smaller than the sum of its proper divisors (36330038932).

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

26664248480 is a wasteful number, since it uses less digits than its factorization.

26664248480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166651568 (or 166651560 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 50.

The spelling of 26664248480 in words is "twenty-six billion, six hundred sixty-four million, two hundred forty-eight thousand, four hundred eighty".