26255061600 has 144 divisors (see below), whose sum is σ = 86664453120. Its totient is φ = 6902694400.

The previous prime is 26255061493. The next prime is 26255061611. The reversal of 26255061600 is 616055262.

It is a happy number.

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, 93361 + ... + 247439.

It is an arithmetic number, because the mean of its divisors is an integer number (601836480).

Almost surely, 2^26255061600 is an apocalyptic number.

26255061600 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 26255061600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43332226560).

26255061600 is an abundant number, since it is smaller than the sum of its proper divisors (60409391520).

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

26255061600 is a wasteful number, since it uses less digits than its factorization.

26255061600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154173 (or 154160 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 26255061600 in words is "twenty-six billion, two hundred fifty-five million, sixty-one thousand, six hundred".