26884220552 has 64 divisors (see below), whose sum is σ = 60065280000. Its totient is φ = 11036825856.

The previous prime is 26884220549. The next prime is 26884220591. The reversal of 26884220552 is 25502248862.

It is a super-2 number, since 2×26884220552² (a number of 22 digits) contains 22 as substring.

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, 141074 + ... + 271422.

It is an arithmetic number, because the mean of its divisors is an integer number (938520000).

Almost surely, 2^26884220552 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 26884220552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30032640000).

26884220552 is an abundant number, since it is smaller than the sum of its proper divisors (33181059448).

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

26884220552 is a wasteful number, since it uses less digits than its factorization.

26884220552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130518 (or 130514 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 44.

The spelling of 26884220552 in words is "twenty-six billion, eight hundred eighty-four million, two hundred twenty thousand, five hundred fifty-two".