26680550 has 24 divisors (see below), whose sum is σ = 53444496. Its totient is φ = 9851040.

The previous prime is 26680523. The next prime is 26680559. The reversal of 26680550 is 5508662.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26680559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19874 + ... + 21173.

It is an arithmetic number, because the mean of its divisors is an integer number (2226854).

Almost surely, 2^26680550 is an apocalyptic number.

26680550 is an abundant number, since it is smaller than the sum of its proper divisors (26763946).

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

26680550 is a wasteful number, since it uses less digits than its factorization.

26680550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41072 (or 41067 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 26680550 is about 5165.3218679962. The cubic root of 26680550 is about 298.8121548053.

The spelling of 26680550 in words is "twenty-six million, six hundred eighty thousand, five hundred fifty".