26515968 has 80 divisors (see below), whose sum is σ = 72051936. Its totient is φ = 8663040.

The previous prime is 26515961. The next prime is 26515981. The reversal of 26515968 is 86951562.

It is not an unprimeable number, because it can be changed into a prime (26515961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93555 + ... + 93837.

Almost surely, 2^26515968 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 26515968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36025968).

26515968 is an abundant number, since it is smaller than the sum of its proper divisors (45535968).

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

26515968 is an equidigital number, since it uses as much as digits as its factorization.

26515968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 349 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 26515968 is about 5149.3657861915. The cubic root of 26515968 is about 298.1964681930.

The spelling of 26515968 in words is "twenty-six million, five hundred fifteen thousand, nine hundred sixty-eight".