26280053280 has 144 divisors (see below), whose sum is σ = 96579264600. Its totient is φ = 6468931584.

The previous prime is 26280053273. The next prime is 26280053309. The reversal of 26280053280 is 8235008262.

26280053280 is a `hidden beast` number, since 2 + 628 + 0 + 0 + 5 + 3 + 28 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 23076040464 + 3204012816 = 151908^2 + 56604^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 683205 + ... + 720644.

Almost surely, 2^26280053280 is an apocalyptic number.

26280053280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26280053280 is an abundant number, since it is smaller than the sum of its proper divisors (70299211320).

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

26280053280 is a wasteful number, since it uses less digits than its factorization.

26280053280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403883 (or 1403872 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 26280053280 in words is "twenty-six billion, two hundred eighty million, fifty-three thousand, two hundred eighty".