26051380 has 24 divisors (see below), whose sum is σ = 55107360. Its totient is φ = 10344480.

The previous prime is 26051369. The next prime is 26051393. The reversal of 26051380 is 8315062.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906 + ... + 7465.

It is an arithmetic number, because the mean of its divisors is an integer number (2296140).

Almost surely, 2^26051380 is an apocalyptic number.

26051380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26051380 is an abundant number, since it is smaller than the sum of its proper divisors (29055980).

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

26051380 is a wasteful number, since it uses less digits than its factorization.

26051380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9519 (or 9517 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 26051380 is about 5104.0552504847. The cubic root of 26051380 is about 296.4446233695. Note that the first 3 decimals are identical.

The spelling of 26051380 in words is "twenty-six million, fifty-one thousand, three hundred eighty".