26146770560 has 32 divisors (see below), whose sum is σ = 62507124900. Its totient is φ = 10458707968.

The previous prime is 26146770521. The next prime is 26146770613. The reversal of 26146770560 is 6507764162.

It can be written as a sum of positive squares in 2 ways, for example, as 21674906176 + 4471864384 = 147224^2 + 66872^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×26146770560² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20426525 + ... + 20427804.

Almost surely, 2^26146770560 is an apocalyptic number.

26146770560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26146770560 is an abundant number, since it is smaller than the sum of its proper divisors (36360354340).

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

26146770560 is an equidigital number, since it uses as much as digits as its factorization.

26146770560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40854348 (or 40854336 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 26146770560 in words is "twenty-six billion, one hundred forty-six million, seven hundred seventy thousand, five hundred sixty".