26303636540 has 24 divisors (see below), whose sum is σ = 55251882000. Its totient is φ = 10518741248.

The previous prime is 26303636519. The next prime is 26303636543. The reversal of 26303636540 is 4563630362.

It is a junction number, because it is equal to n+sod(n) for n = 26303636494 and 26303636503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26303636543) 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, 89165 + ... + 246084.

It is an arithmetic number, because the mean of its divisors is an integer number (2302161750).

Almost surely, 2^26303636540 is an apocalyptic number.

26303636540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26303636540 is an abundant number, since it is smaller than the sum of its proper divisors (28948245460).

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

26303636540 is a wasteful number, since it uses less digits than its factorization.

26303636540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339181 (or 339179 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 38.

The spelling of 26303636540 in words is "twenty-six billion, three hundred three million, six hundred thirty-six thousand, five hundred forty".