26533428 has 24 divisors (see below), whose sum is σ = 61994688. Its totient is φ = 8832576.

The previous prime is 26533399. The next prime is 26533433. The reversal of 26533428 is 82433562.

It is a happy number.

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, 16425 + ... + 17967.

It is an arithmetic number, because the mean of its divisors is an integer number (2583112).

Almost surely, 2^26533428 is an apocalyptic number.

It is an amenable number.

26533428 is an abundant number, since it is smaller than the sum of its proper divisors (35461260).

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

26533428 is a wasteful number, since it uses less digits than its factorization.

26533428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983 (or 2981 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 26533428 is about 5151.0608616090. The cubic root of 26533428 is about 298.2619050897.

The spelling of 26533428 in words is "twenty-six million, five hundred thirty-three thousand, four hundred twenty-eight".