26120280 has 64 divisors (see below), whose sum is σ = 80287200. Its totient is φ = 6794240.

The previous prime is 26120273. The next prime is 26120293. The reversal of 26120280 is 8202162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2266 + ... + 7574.

Almost surely, 2^26120280 is an apocalyptic number.

26120280 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 26120280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40143600).

26120280 is an abundant number, since it is smaller than the sum of its proper divisors (54166920).

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

26120280 is a wasteful number, since it uses less digits than its factorization.

26120280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364 (or 5360 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 26120280 is about 5110.8003287157. The cubic root of 26120280 is about 296.7057362732.

The spelling of 26120280 in words is "twenty-six million, one hundred twenty thousand, two hundred eighty".