26725298544 has 240 divisors, whose sum is σ = 89573329440. Its totient is φ = 7606932480.

The previous prime is 26725298497. The next prime is 26725298629. The reversal of 26725298544 is 44589252762.

26725298544 is a `hidden beast` number, since 2 + 6 + 7 + 2 + 5 + 2 + 98 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5945962 + ... + 5950454.

It is an arithmetic number, because the mean of its divisors is an integer number (373222206).

Almost surely, 2^26725298544 is an apocalyptic number.

26725298544 is a gapful number since it is divisible by the number (24) 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 26725298544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44786664720).

26725298544 is an abundant number, since it is smaller than the sum of its proper divisors (62848030896).

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

26725298544 is a wasteful number, since it uses less digits than its factorization.

26725298544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805 (or 4786 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 26725298544 in words is "twenty-six billion, seven hundred twenty-five million, two hundred ninety-eight thousand, five hundred forty-four".