26208240 has 40 divisors (see below), whose sum is σ = 81246288. Its totient is φ = 6988800.

The previous prime is 26208227. The next prime is 26208251. The reversal of 26208240 is 4280262.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 26208240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54361 + ... + 54840.

Almost surely, 2^26208240 is an apocalyptic number.

26208240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26208240 is an abundant number, since it is smaller than the sum of its proper divisors (55038048).

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

26208240 is a wasteful number, since it uses less digits than its factorization.

26208240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109217 (or 109211 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 26208240 is about 5119.3984021563. The cubic root of 26208240 is about 297.0384151469.

The spelling of 26208240 in words is "twenty-six million, two hundred eight thousand, two hundred forty".