26813533120 has 112 divisors (see below), whose sum is σ = 69879655008. Its totient is φ = 9718824960.

The previous prime is 26813533093. The next prime is 26813533121. The reversal of 26813533120 is 2133531862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26813533121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089592 + ... + 1113928.

Almost surely, 2^26813533120 is an apocalyptic number.

26813533120 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 26813533120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34939827504).

26813533120 is an abundant number, since it is smaller than the sum of its proper divisors (43066121888).

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

26813533120 is a wasteful number, since it uses less digits than its factorization.

26813533120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24678 (or 24668 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 26813533120 in words is "twenty-six billion, eight hundred thirteen million, five hundred thirty-three thousand, one hundred twenty".