26118240 has 48 divisors (see below), whose sum is σ = 82273968. Its totient is φ = 6964736.

The previous prime is 26118203. The next prime is 26118247. The reversal of 26118240 is 4281162.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 26118240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26118247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26727 + ... + 27686.

It is an arithmetic number, because the mean of its divisors is an integer number (1714041).

Almost surely, 2^26118240 is an apocalyptic number.

26118240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26118240 is an abundant number, since it is smaller than the sum of its proper divisors (56155728).

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

26118240 is a wasteful number, since it uses less digits than its factorization.

26118240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54431 (or 54423 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 26118240 is about 5110.6007474660. The cubic root of 26118240 is about 296.6980118096.

The spelling of 26118240 in words is "twenty-six million, one hundred eighteen thousand, two hundred forty".