26841540 has 96 divisors (see below), whose sum is σ = 83349504. Its totient is φ = 6399360.

The previous prime is 26841533. The next prime is 26841541. The reversal of 26841540 is 4514862.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 26841498 and 26841507.

It is not an unprimeable number, because it can be changed into a prime (26841541) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 43917 + ... + 44523.

It is an arithmetic number, because the mean of its divisors is an integer number (868224).

Almost surely, 2^26841540 is an apocalyptic number.

26841540 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 26841540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41674752).

26841540 is an abundant number, since it is smaller than the sum of its proper divisors (56507964).

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

26841540 is a wasteful number, since it uses less digits than its factorization.

26841540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 26841540 is about 5180.8821642651. The cubic root of 26841540 is about 299.4119592244.

It can be divided in two parts, 2684 and 1540, that added together give a palindrome (4224).

The spelling of 26841540 in words is "twenty-six million, eight hundred forty-one thousand, five hundred forty".