26093540 has 48 divisors (see below), whose sum is σ = 60540480. Its totient is φ = 9367680.

The previous prime is 26093539. The next prime is 26093563. The reversal of 26093540 is 4539062.

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 15 ways as a sum of consecutive naturals, for example, 17546 + ... + 18974.

It is an arithmetic number, because the mean of its divisors is an integer number (1261260).

Almost surely, 2^26093540 is an apocalyptic number.

26093540 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 26093540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30270240).

26093540 is an abundant number, since it is smaller than the sum of its proper divisors (34446940).

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

26093540 is a wasteful number, since it uses less digits than its factorization.

26093540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1530 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 26093540 is about 5108.1836302153. The cubic root of 26093540 is about 296.6044532815.

The spelling of 26093540 in words is "twenty-six million, ninety-three thousand, five hundred forty".