26748988552 has 128 divisors (see below), whose sum is σ = 60365813760. Its totient is φ = 10950001920.

The previous prime is 26748988547. The next prime is 26748988559. The reversal of 26748988552 is 25588984762.

It is not an unprimeable number, because it can be changed into a prime (26748988559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23818663 + ... + 23819785.

It is an arithmetic number, because the mean of its divisors is an integer number (471607920).

Almost surely, 2^26748988552 is an apocalyptic number.

26748988552 is a gapful number since it is divisible by the number (22) 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 26748988552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30182906880).

26748988552 is an abundant number, since it is smaller than the sum of its proper divisors (33616825208).

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

26748988552 is a wasteful number, since it uses less digits than its factorization.

26748988552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643 (or 1639 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 64.

The spelling of 26748988552 in words is "twenty-six billion, seven hundred forty-eight million, nine hundred eighty-eight thousand, five hundred fifty-two".