26252502620 has 48 divisors (see below), whose sum is σ = 58450896000. Its totient is φ = 9870142464.

The previous prime is 26252502593. The next prime is 26252502623. The reversal of 26252502620 is 2620525262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26252502623) 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, 206381 + ... + 308379.

It is an arithmetic number, because the mean of its divisors is an integer number (1217727000).

Almost surely, 2^26252502620 is an apocalyptic number.

26252502620 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 26252502620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29225448000).

26252502620 is an abundant number, since it is smaller than the sum of its proper divisors (32198393380).

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

26252502620 is a wasteful number, since it uses less digits than its factorization.

26252502620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102782 (or 102780 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 26252502620 in words is "twenty-six billion, two hundred fifty-two million, five hundred two thousand, six hundred twenty".