26811960 has 128 divisors (see below), whose sum is σ = 93657600. Its totient is φ = 6013440.

The previous prime is 26811899. The next prime is 26812003. The reversal of 26811960 is 6911862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49290 + ... + 49830.

It is an arithmetic number, because the mean of its divisors is an integer number (731700).

Almost surely, 2^26811960 is an apocalyptic number.

26811960 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 26811960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46828800).

26811960 is an abundant number, since it is smaller than the sum of its proper divisors (66845640).

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

26811960 is a wasteful number, since it uses less digits than its factorization.

26811960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 26811960 is about 5178.0266511481. The cubic root of 26811960 is about 299.3019324879.

The spelling of 26811960 in words is "twenty-six million, eight hundred eleven thousand, nine hundred sixty".