26008780 has 48 divisors (see below), whose sum is σ = 64120896. Its totient is φ = 8674560.

The previous prime is 26008757. The next prime is 26008789. The reversal of 26008780 is 8780062.

It is not an unprimeable number, because it can be changed into a prime (26008789) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2670 + ... + 7690.

It is an arithmetic number, because the mean of its divisors is an integer number (1335852).

Almost surely, 2^26008780 is an apocalyptic number.

26008780 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 26008780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32060448).

26008780 is an abundant number, since it is smaller than the sum of its proper divisors (38112116).

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

26008780 is a wasteful number, since it uses less digits than its factorization.

26008780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074 (or 5072 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 26008780 is about 5099.8803907543. The cubic root of 26008780 is about 296.2829501589.

The spelling of 26008780 in words is "twenty-six million, eight thousand, seven hundred eighty".