26016409 has 8 divisors (see below), whose sum is σ = 28435968. Its totient is φ = 23695680.

The previous prime is 26016383. The next prime is 26016413. The reversal of 26016409 is 90461062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26016409 - 2⁷ = 26016281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26016449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24157 + ... + 25210.

It is an arithmetic number, because the mean of its divisors is an integer number (3554496).

Almost surely, 2^26016409 is an apocalyptic number.

It is an amenable number.

26016409 is a deficient number, since it is larger than the sum of its proper divisors (2419559).

26016409 is a wasteful number, since it uses less digits than its factorization.

26016409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49415.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 26016409 is about 5100.6282946319. The cubic root of 26016409 is about 296.3119162959.

The spelling of 26016409 in words is "twenty-six million, sixteen thousand, four hundred nine".