26057628 has 18 divisors (see below), whose sum is σ = 65867984. Its totient is φ = 8685864.

The previous prime is 26057621. The next prime is 26057641. The reversal of 26057628 is 82675062.

26057628 is a `hidden beast` number, since 2 + 60 + 576 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 723823 = 26057628 / (2 + 6 + 0 + 5 + 7 + 6 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 26057592 and 26057601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26057621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361876 + ... + 361947.

Almost surely, 2^26057628 is an apocalyptic number.

It is an amenable number.

26057628 is an abundant number, since it is smaller than the sum of its proper divisors (39810356).

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

26057628 is a wasteful number, since it uses less digits than its factorization.

26057628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723833 (or 723828 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 26057628 is about 5104.6672761307. The cubic root of 26057628 is about 296.4683206165.

The spelling of 26057628 in words is "twenty-six million, fifty-seven thousand, six hundred twenty-eight".