26648560 has 20 divisors (see below), whose sum is σ = 61958088. Its totient is φ = 10659392.

The previous prime is 26648549. The next prime is 26648579. The reversal of 26648560 is 6584662.

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

It is a congruent number.

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, 166474 + ... + 166633.

Almost surely, 2^26648560 is an apocalyptic number.

26648560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26648560 is an abundant number, since it is smaller than the sum of its proper divisors (35309528).

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

26648560 is a wasteful number, since it uses less digits than its factorization.

26648560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333120 (or 333114 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 26648560 is about 5162.2243267801. The cubic root of 26648560 is about 298.6926817086.

The spelling of 26648560 in words is "twenty-six million, six hundred forty-eight thousand, five hundred sixty".