26180627256 has 96 divisors (see below), whose sum is σ = 81161533440. Its totient is φ = 7468524864.

The previous prime is 26180627251. The next prime is 26180627257. The reversal of 26180627256 is 65272608162.

26180627256 is a `hidden beast` number, since 2 + 6 + 18 + 0 + 627 + 2 + 5 + 6 = 666.

It is a super-2 number, since 2×26180627256² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26180627251) 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 23 ways as a sum of consecutive naturals, for example, 285945 + ... + 366231.

It is an arithmetic number, because the mean of its divisors is an integer number (845432640).

Almost surely, 2^26180627256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26180627256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40580766720).

26180627256 is an abundant number, since it is smaller than the sum of its proper divisors (54980906184).

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

26180627256 is a wasteful number, since it uses less digits than its factorization.

26180627256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80953 (or 80946 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 26180627256 in words is "twenty-six billion, one hundred eighty million, six hundred twenty-seven thousand, two hundred fifty-six".