26276220 has 144 divisors (see below), whose sum is σ = 87429888. Its totient is φ = 6359040.

The previous prime is 26276219. The next prime is 26276273. The reversal of 26276220 is 2267262.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94722 + ... + 94998.

It is an arithmetic number, because the mean of its divisors is an integer number (607152).

Almost surely, 2^26276220 is an apocalyptic number.

26276220 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 26276220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43714944).

26276220 is an abundant number, since it is smaller than the sum of its proper divisors (61153668).

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

26276220 is a wasteful number, since it uses less digits than its factorization.

26276220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 26276220 is about 5126.0335543186. The cubic root of 26276220 is about 297.2950168584.

The spelling of 26276220 in words is "twenty-six million, two hundred seventy-six thousand, two hundred twenty".