26550532764 has 72 divisors (see below), whose sum is σ = 76838186880. Its totient is φ = 7572352032.

The previous prime is 26550532741. The next prime is 26550532781. The reversal of 26550532764 is 46723505562.

26550532764 is a `hidden beast` number, since 2 + 6 + 5 + 50 + 532 + 7 + 64 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48307 + ... + 235445.

It is an arithmetic number, because the mean of its divisors is an integer number (1067197040).

Almost surely, 2^26550532764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26550532764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38419093440).

26550532764 is an abundant number, since it is smaller than the sum of its proper divisors (50287654116).

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

26550532764 is a wasteful number, since it uses less digits than its factorization.

26550532764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187719 (or 187714 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The spelling of 26550532764 in words is "twenty-six billion, five hundred fifty million, five hundred thirty-two thousand, seven hundred sixty-four".