26540312 has 16 divisors (see below), whose sum is σ = 50070840. Its totient is φ = 13188096.

The previous prime is 26540299. The next prime is 26540317. The reversal of 26540312 is 21304562.

It is a super-2 number, since 2×26540312² = 1408776322114688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26540317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8873 + ... + 11480.

Almost surely, 2^26540312 is an apocalyptic number.

It is an amenable number.

26540312 is a deficient number, since it is larger than the sum of its proper divisors (23530528).

26540312 is a wasteful number, since it uses less digits than its factorization.

26540312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20522 (or 20518 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 26540312 is about 5151.7290301412. The cubic root of 26540312 is about 298.2876971762.

Adding to 26540312 its reverse (21304562), we get a palindrome (47844874).

The spelling of 26540312 in words is "twenty-six million, five hundred forty thousand, three hundred twelve".