26661260 has 24 divisors (see below), whose sum is σ = 56666736. Its totient is φ = 10535360.

The previous prime is 26661259. The next prime is 26661289. The reversal of 26661260 is 6216662.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6371 + ... + 9690.

It is an arithmetic number, because the mean of its divisors is an integer number (2361114).

Almost surely, 2^26661260 is an apocalyptic number.

26661260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26661260 is an abundant number, since it is smaller than the sum of its proper divisors (30005476).

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

26661260 is a wasteful number, since it uses less digits than its factorization.

26661260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16153 (or 16151 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 26661260 is about 5163.4542701568. The cubic root of 26661260 is about 298.7401238543.

The spelling of 26661260 in words is "twenty-six million, six hundred sixty-one thousand, two hundred sixty".