26646142 has 16 divisors (see below), whose sum is σ = 41729472. Its totient is φ = 12748320.

The previous prime is 26646131. The next prime is 26646149. The reversal of 26646142 is 24164662.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26646149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563 + ... + 7465.

It is an arithmetic number, because the mean of its divisors is an integer number (2608092).

Almost surely, 2^26646142 is an apocalyptic number.

26646142 is a deficient number, since it is larger than the sum of its proper divisors (15083330).

26646142 is a wasteful number, since it uses less digits than its factorization.

26646142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6003.

The product of its digits is 13824, while the sum is 31.

The square root of 26646142 is about 5161.9901200990. The cubic root of 26646142 is about 298.6836473148.

The spelling of 26646142 in words is "twenty-six million, six hundred forty-six thousand, one hundred forty-two".