26520647032 has 64 divisors (see below), whose sum is σ = 57149683200. Its totient is φ = 11410813440.

The previous prime is 26520647011. The next prime is 26520647039. The reversal of 26520647032 is 23074602562.

It is a junction number, because it is equal to n+sod(n) for n = 26520646982 and 26520647000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26520647039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2212768 + ... + 2224720.

It is an arithmetic number, because the mean of its divisors is an integer number (892963800).

Almost surely, 2^26520647032 is an apocalyptic number.

26520647032 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 26520647032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28574841600).

26520647032 is an abundant number, since it is smaller than the sum of its proper divisors (30629036168).

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

26520647032 is a wasteful number, since it uses less digits than its factorization.

26520647032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13316 (or 13312 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 26520647032 in words is "twenty-six billion, five hundred twenty million, six hundred forty-seven thousand, thirty-two".