26280516 has 12 divisors (see below), whose sum is σ = 61321232. Its totient is φ = 8760168.

The previous prime is 26280509. The next prime is 26280533. The reversal of 26280516 is 61508262.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1095010 + ... + 1095033.

Almost surely, 2^26280516 is an apocalyptic number.

It is an amenable number.

26280516 is an abundant number, since it is smaller than the sum of its proper divisors (35040716).

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

26280516 is a wasteful number, since it uses less digits than its factorization.

26280516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190050 (or 2190048 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 26280516 is about 5126.4525746368. The cubic root of 26280516 is about 297.3112179431.

Adding to 26280516 its reverse (61508262), we get a palindrome (87788778).

It can be divided in two parts, 26280 and 516, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 26280516 in words is "twenty-six million, two hundred eighty thousand, five hundred sixteen".