26540645 has 8 divisors (see below), whose sum is σ = 31971456. Its totient is φ = 21150736.

The previous prime is 26540639. The next prime is 26540659. The reversal of 26540645 is 54604562.

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 26540645 - 2⁴ = 26540629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8777 + ... + 11406.

It is an arithmetic number, because the mean of its divisors is an integer number (3996432).

Almost surely, 2^26540645 is an apocalyptic number.

It is an amenable number.

26540645 is a deficient number, since it is larger than the sum of its proper divisors (5430811).

26540645 is a wasteful number, since it uses less digits than its factorization.

26540645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20451.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 26540645 is about 5151.7613492863. The cubic root of 26540645 is about 298.2889447047.

The spelling of 26540645 in words is "twenty-six million, five hundred forty thousand, six hundred forty-five".