26351376636 has 96 divisors (see below), whose sum is σ = 68259179520. Its totient is φ = 7861204224.

The previous prime is 26351376631. The next prime is 26351376637. The reversal of 26351376636 is 63667315362.

It is a super-2 number, since 2×26351376636² (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 (26351376631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 767730 + ... + 801318.

It is an arithmetic number, because the mean of its divisors is an integer number (711033120).

Almost surely, 2^26351376636 is an apocalyptic number.

26351376636 is a gapful number since it is divisible by the number (26) 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 26351376636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34129589760).

26351376636 is an abundant number, since it is smaller than the sum of its proper divisors (41907802884).

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

26351376636 is a wasteful number, since it uses less digits than its factorization.

26351376636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33763 (or 33761 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 48.

The spelling of 26351376636 in words is "twenty-six billion, three hundred fifty-one million, three hundred seventy-six thousand, six hundred thirty-six".