26642143 has 12 divisors (see below), whose sum is σ = 29410024. Its totient is φ = 24116400.

The previous prime is 26642141. The next prime is 26642149. The reversal of 26642143 is 34124662.

It is not a de Polignac number, because 26642143 - 2¹ = 26642141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26642141) 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, 50680 + ... + 51202.

Almost surely, 2^26642143 is an apocalyptic number.

26642143 is a deficient number, since it is larger than the sum of its proper divisors (2767881).

26642143 is a wasteful number, since it uses less digits than its factorization.

26642143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 955 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 26642143 is about 5161.6027549590. The cubic root of 26642143 is about 298.6687046180.

The spelling of 26642143 in words is "twenty-six million, six hundred forty-two thousand, one hundred forty-three".