26801457 has 8 divisors (see below), whose sum is σ = 37616160. Its totient is φ = 16927200.

The previous prime is 26801449. The next prime is 26801459. The reversal of 26801457 is 75410862.

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

It is not a de Polignac number, because 26801457 - 2³ = 26801449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26801459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235044 + ... + 235157.

It is an arithmetic number, because the mean of its divisors is an integer number (4702020).

Almost surely, 2^26801457 is an apocalyptic number.

It is an amenable number.

26801457 is a deficient number, since it is larger than the sum of its proper divisors (10814703).

26801457 is a wasteful number, since it uses less digits than its factorization.

26801457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470223.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 26801457 is about 5177.0123623573. The cubic root of 26801457 is about 299.2628457177.

The spelling of 26801457 in words is "twenty-six million, eight hundred one thousand, four hundred fifty-seven".