26330240 has 32 divisors (see below), whose sum is σ = 62947260. Its totient is φ = 10531840.

The previous prime is 26330209. The next prime is 26330281. The reversal of 26330240 is 4203362.

It can be written as a sum of positive squares in 2 ways, for example, as 26296384 + 33856 = 5128^2 + 184^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (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, 19931 + ... + 21210.

Almost surely, 2^26330240 is an apocalyptic number.

26330240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26330240 is an abundant number, since it is smaller than the sum of its proper divisors (36617020).

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

26330240 is an equidigital number, since it uses as much as digits as its factorization.

26330240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41160 (or 41148 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 26330240 is about 5131.3000302068. The cubic root of 26330240 is about 297.4986088488.

It can be divided in two parts, 263 and 30240, that added together give a palindrome (30503).

The spelling of 26330240 in words is "twenty-six million, three hundred thirty thousand, two hundred forty".