26805380 has 24 divisors (see below), whose sum is σ = 64333248. Its totient is φ = 9190368.

The previous prime is 26805377. The next prime is 26805391. The reversal of 26805380 is 8350862.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95594 + ... + 95873.

It is an arithmetic number, because the mean of its divisors is an integer number (2680552).

Almost surely, 2^26805380 is an apocalyptic number.

26805380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26805380 is an abundant number, since it is smaller than the sum of its proper divisors (37527868).

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

26805380 is a wasteful number, since it uses less digits than its factorization.

26805380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191483 (or 191481 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 26805380 is about 5177.3912349754. The cubic root of 26805380 is about 299.2774463029.

The spelling of 26805380 in words is "twenty-six million, eight hundred five thousand, three hundred eighty".