26400727270280 has 48 divisors (see below), whose sum is σ = 65292707744460. Its totient is φ = 9600264460160.

The previous prime is 26400727270277. The next prime is 26400727270319. The reversal of 26400727270280 is 8207272700462.

It can be written as a sum of positive squares in 2 ways, for example, as 22613087323684 + 3787639946596 = 4755322^2 + 1946186^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2727343019 + ... + 2727352698.

Almost surely, 2^{26400727270280} is an apocalyptic number.

26400727270280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26400727270280 is an abundant number, since it is smaller than the sum of its proper divisors (38891980474180).

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

26400727270280 is a wasteful number, since it uses less digits than its factorization.

26400727270280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454695750 (or 5454695735 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 47.

The spelling of 26400727270280 in words is "twenty-six trillion, four hundred billion, seven hundred twenty-seven million, two hundred seventy thousand, two hundred eighty".