26133012504 has 160 divisors (see below), whose sum is σ = 74513387520. Its totient is φ = 8555730624.

The previous prime is 26133012497. The next prime is 26133012523. The reversal of 26133012504 is 40521033162.

26133012504 is a `hidden beast` number, since 2 + 613 + 30 + 12 + 5 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8474947 + ... + 8478029.

It is an arithmetic number, because the mean of its divisors is an integer number (465708672).

Almost surely, 2^26133012504 is an apocalyptic number.

26133012504 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 26133012504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37256693760).

26133012504 is an abundant number, since it is smaller than the sum of its proper divisors (48380375016).

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

26133012504 is a wasteful number, since it uses less digits than its factorization.

26133012504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331 (or 3318 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 26133012504 its reverse (40521033162), we get a palindrome (66654045666).

The spelling of 26133012504 in words is "twenty-six billion, one hundred thirty-three million, twelve thousand, five hundred four".