26421868 has 24 divisors (see below), whose sum is σ = 50644944. Its totient is φ = 11961600.

The previous prime is 26421847. The next prime is 26421877. The reversal of 26421868 is 86812462.

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, 11296 + ... + 13432.

It is an arithmetic number, because the mean of its divisors is an integer number (2110206).

Almost surely, 2^26421868 is an apocalyptic number.

It is an amenable number.

26421868 is a deficient number, since it is larger than the sum of its proper divisors (24223076).

26421868 is a wasteful number, since it uses less digits than its factorization.

26421868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433 (or 2431 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 26421868 is about 5140.2206178334. The cubic root of 26421868 is about 297.8433030518.

The spelling of 26421868 in words is "twenty-six million, four hundred twenty-one thousand, eight hundred sixty-eight".