26042445 has 128 divisors (see below), whose sum is σ = 58060800. Its totient is φ = 10886400.

The previous prime is 26042441. The next prime is 26042459. The reversal of 26042445 is 54424062.

26042445 = 10² + 11² + ... + 427².

It is not a de Polignac number, because 26042445 - 2² = 26042441 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 not an unprimeable number, because it can be changed into a prime (26042441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 366760 + ... + 366830.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

Almost surely, 2^26042445 is an apocalyptic number.

It is an amenable number.

26042445 is an abundant number, since it is smaller than the sum of its proper divisors (32018355).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26042445 is a wasteful number, since it uses less digits than its factorization.

26042445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 122 counting only the distinct ones).

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

The square root of 26042445 is about 5103.1798910091. The cubic root of 26042445 is about 296.4107283566.

The spelling of 26042445 in words is "twenty-six million, forty-two thousand, four hundred forty-five".