26244240 has 80 divisors (see below), whose sum is σ = 88762176. Its totient is φ = 6361600.

The previous prime is 26244199. The next prime is 26244241. The reversal of 26244240 is 4244262.

It is a tau number, because it is divible by the number of its divisors (80).

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 26244240.

It is not an unprimeable number, because it can be changed into a prime (26244241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2331 + ... + 7610.

Almost surely, 2^26244240 is an apocalyptic number.

26244240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26244240 is an abundant number, since it is smaller than the sum of its proper divisors (62517936).

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

26244240 is a wasteful number, since it uses less digits than its factorization.

26244240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9968 (or 9962 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 26244240 is about 5122.9132336982. The cubic root of 26244240 is about 297.1743582763.

The spelling of 26244240 in words is "twenty-six million, two hundred forty-four thousand, two hundred forty".