26900128 has 24 divisors (see below), whose sum is σ = 53120340. Its totient is φ = 13409280.

The previous prime is 26900123. The next prime is 26900129. The reversal of 26900128 is 82100962.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26749584 + 150544 = 5172^2 + 388^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26900096 and 26900105.

It is not an unprimeable number, because it can be changed into a prime (26900123) 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, 11368 + ... + 13528.

Almost surely, 2^26900128 is an apocalyptic number.

It is an amenable number.

26900128 is a deficient number, since it is larger than the sum of its proper divisors (26220212).

26900128 is a wasteful number, since it uses less digits than its factorization.

26900128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560 (or 2552 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 26900128 is about 5186.5333316195. The cubic root of 26900128 is about 299.6296466866.

It can be divided in two parts, 26900 and 128, that added together give a triangular number (27028 = T₂₃₂).

The spelling of 26900128 in words is "twenty-six million, nine hundred thousand, one hundred twenty-eight".