26363203540 has 24 divisors (see below), whose sum is σ = 55562604552. Its totient is φ = 10507209600.

The previous prime is 26363203519. The next prime is 26363203561. The reversal of 26363203540 is 4530236362.

It is an interprime number because it is at equal distance from previous prime (26363203519) and next prime (26363203561).

It can be written as a sum of positive squares in 4 ways, for example, as 14122564 + 26349080976 = 3758^2 + 162324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26363203496 and 26363203505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2373811 + ... + 2384890.

It is an arithmetic number, because the mean of its divisors is an integer number (2315108523).

Almost surely, 2^26363203540 is an apocalyptic number.

26363203540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26363203540 is an abundant number, since it is smaller than the sum of its proper divisors (29199401012).

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

26363203540 is a wasteful number, since it uses less digits than its factorization.

26363203540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758987 (or 4758985 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 34.

The spelling of 26363203540 in words is "twenty-six billion, three hundred sixty-three million, two hundred three thousand, five hundred forty".