26940020533 has 4 divisors (see below), whose sum is σ = 26950049280. Its totient is φ = 26929991788.

The previous prime is 26940020501. The next prime is 26940020537. The reversal of 26940020533 is 33502004962.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26940020533 - 2⁵ = 26940020501 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 (26940020537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5010343 + ... + 5015716.

It is an arithmetic number, because the mean of its divisors is an integer number (6737512320).

Almost surely, 2^26940020533 is an apocalyptic number.

It is an amenable number.

26940020533 is a deficient number, since it is larger than the sum of its proper divisors (10028747).

26940020533 is a wasteful number, since it uses less digits than its factorization.

26940020533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028746.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 26940020533 in words is "twenty-six billion, nine hundred forty million, twenty thousand, five hundred thirty-three".