26655037520 has 80 divisors (see below), whose sum is σ = 64043758080. Its totient is φ = 10306521600.

The previous prime is 26655037483. The next prime is 26655037531. The reversal of 26655037520 is 2573055662.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2402546 + ... + 2413614.

It is an arithmetic number, because the mean of its divisors is an integer number (800546976).

Almost surely, 2^26655037520 is an apocalyptic number.

26655037520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26655037520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32021879040).

26655037520 is an abundant number, since it is smaller than the sum of its proper divisors (37388720560).

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

26655037520 is a wasteful number, since it uses less digits than its factorization.

26655037520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084 (or 12078 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 26655037520 in words is "twenty-six billion, six hundred fifty-five million, thirty-seven thousand, five hundred twenty".