26185428 has 36 divisors (see below), whose sum is σ = 66376128. Its totient is φ = 8704080.

The previous prime is 26185427. The next prime is 26185469. The reversal of 26185428 is 82458162.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26185392 and 26185401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26185427) 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, 15883 + ... + 17453.

Almost surely, 2^26185428 is an apocalyptic number.

It is an amenable number.

26185428 is an abundant number, since it is smaller than the sum of its proper divisors (40190700).

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

26185428 is a wasteful number, since it uses less digits than its factorization.

26185428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044 (or 2039 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 26185428 is about 5117.1699209622. The cubic root of 26185428 is about 296.9522080702.

The spelling of 26185428 in words is "twenty-six million, one hundred eighty-five thousand, four hundred twenty-eight".