26180243560 has 32 divisors (see below), whose sum is σ = 59567416200. Its totient is φ = 10354432000.

The previous prime is 26180243483. The next prime is 26180243561. The reversal of 26180243560 is 6534208162.

It can be written as a sum of positive squares in 4 ways, for example, as 18246066084 + 7934177476 = 135078^2 + 89074^2 .

It is not an unprimeable number, because it can be changed into a prime (26180243561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3673441 + ... + 3680560.

Almost surely, 2^26180243560 is an apocalyptic number.

26180243560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26180243560 is an abundant number, since it is smaller than the sum of its proper divisors (33387172640).

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

26180243560 is a wasteful number, since it uses less digits than its factorization.

26180243560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7354101 (or 7354097 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 26180243560 in words is "twenty-six billion, one hundred eighty million, two hundred forty-three thousand, five hundred sixty".