26040563 has 8 divisors (see below), whose sum is σ = 27007968. Its totient is φ = 25087104.

The previous prime is 26040559. The next prime is 26040569. The reversal of 26040563 is 36504062.

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 26040563 - 2² = 26040559 is a prime.

It is a super-2 number, since 2×26040563² = 1356221842713938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26040569) 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, 395 + ... + 7227.

It is an arithmetic number, because the mean of its divisors is an integer number (3375996).

Almost surely, 2^26040563 is an apocalyptic number.

26040563 is a deficient number, since it is larger than the sum of its proper divisors (967405).

26040563 is a wasteful number, since it uses less digits than its factorization.

26040563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6973.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 26040563 is about 5102.9954928454. The cubic root of 26040563 is about 296.4035879821.

The spelling of 26040563 in words is "twenty-six million, forty thousand, five hundred sixty-three".