26015040564540 has 96 divisors (see below), whose sum is σ = 73014421165056. Its totient is φ = 6920940069120.

The previous prime is 26015040564517. The next prime is 26015040564553. The reversal of 26015040564540 is 4546504051062.

It is a junction number, because it is equal to n+sod(n) for n = 26015040564492 and 26015040564501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138889750 + ... + 139076930.

It is an arithmetic number, because the mean of its divisors is an integer number (760566887136).

Almost surely, 2^{26015040564540} is an apocalyptic number.

26015040564540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26015040564540 is an abundant number, since it is smaller than the sum of its proper divisors (46999380600516).

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

26015040564540 is a wasteful number, since it uses less digits than its factorization.

26015040564540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192659 (or 192657 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 26015040564540 in words is "twenty-six trillion, fifteen billion, forty million, five hundred sixty-four thousand, five hundred forty".