26516260 has 48 divisors (see below), whose sum is σ = 59439744. Its totient is φ = 9901568.

The previous prime is 26516257. The next prime is 26516279. The reversal of 26516260 is 6261562.

26516260 = T₇₄₇ + T₇₄₈ + ... + T₈₃₁.

It is a super-2 number, since 2×26516260² = 1406224088775200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56547 + ... + 57013.

It is an arithmetic number, because the mean of its divisors is an integer number (1238328).

Almost surely, 2^26516260 is an apocalyptic number.

26516260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26516260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29719872).

26516260 is an abundant number, since it is smaller than the sum of its proper divisors (32923484).

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

26516260 is a wasteful number, since it uses less digits than its factorization.

26516260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 26516260 is about 5149.3941391197. The cubic root of 26516260 is about 298.1975627919.

It can be divided in two parts, 2651 and 6260, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 26516260 in words is "twenty-six million, five hundred sixteen thousand, two hundred sixty".