26420445 has 64 divisors (see below), whose sum is σ = 50135040. Its totient is φ = 13172544.

The previous prime is 26420437. The next prime is 26420483. The reversal of 26420445 is 54402462.

It is not a de Polignac number, because 26420445 - 2³ = 26420437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 207972 + ... + 208098.

It is an arithmetic number, because the mean of its divisors is an integer number (783360).

Almost surely, 2^26420445 is an apocalyptic number.

It is an amenable number.

26420445 is a deficient number, since it is larger than the sum of its proper divisors (23714595).

26420445 is a wasteful number, since it uses less digits than its factorization.

26420445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 26420445 is about 5140.0821977863. The cubic root of 26420445 is about 297.8379559831.

The spelling of 26420445 in words is "twenty-six million, four hundred twenty thousand, four hundred forty-five".