26900240 has 20 divisors (see below), whose sum is σ = 62543244. Its totient is φ = 10760064.

The previous prime is 26900231. The next prime is 26900297. The reversal of 26900240 is 4200962.

It can be written as a sum of positive squares in 2 ways, for example, as 4734976 + 22165264 = 2176^2 + 4708^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168047 + ... + 168206.

Almost surely, 2^26900240 is an apocalyptic number.

26900240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26900240 is an abundant number, since it is smaller than the sum of its proper divisors (35643004).

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

26900240 is a wasteful number, since it uses less digits than its factorization.

26900240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336266 (or 336260 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 26900240 is about 5186.5441288010. The cubic root of 26900240 is about 299.6300625269.

The spelling of 26900240 in words is "twenty-six million, nine hundred thousand, two hundred forty".