26580345 has 16 divisors (see below), whose sum is σ = 46395072. Its totient is φ = 12887360.

The previous prime is 26580331. The next prime is 26580349. The reversal of 26580345 is 54308562.

It is not a de Polignac number, because 26580345 - 2⁵ = 26580313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (26580349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80382 + ... + 80711.

It is an arithmetic number, because the mean of its divisors is an integer number (2899692).

Almost surely, 2^26580345 is an apocalyptic number.

It is an amenable number.

26580345 is a deficient number, since it is larger than the sum of its proper divisors (19814727).

26580345 is a wasteful number, since it uses less digits than its factorization.

26580345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161112.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 26580345 is about 5155.6129606478. The cubic root of 26580345 is about 298.4375993622.

The spelling of 26580345 in words is "twenty-six million, five hundred eighty thousand, three hundred forty-five".