26621142 has 16 divisors (see below), whose sum is σ = 53397360. Its totient is φ = 8847872.

The previous prime is 26621137. The next prime is 26621173. The reversal of 26621142 is 24112662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4167 + ... + 8402.

It is an arithmetic number, because the mean of its divisors is an integer number (3337335).

Almost surely, 2^26621142 is an apocalyptic number.

26621142 is an abundant number, since it is smaller than the sum of its proper divisors (26776218).

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

26621142 is a wasteful number, since it uses less digits than its factorization.

26621142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12927.

The product of its digits is 1152, while the sum is 24.

The square root of 26621142 is about 5159.5680051725. The cubic root of 26621142 is about 298.5902075508.

The spelling of 26621142 in words is "twenty-six million, six hundred twenty-one thousand, one hundred forty-two".