26406045 has 12 divisors (see below), whose sum is σ = 45770556. Its totient is φ = 14083200.

The previous prime is 26406043. The next prime is 26406053. The reversal of 26406045 is 54060462.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3767481 + 22638564 = 1941^2 + 4758^2 .

It is not a de Polignac number, because 26406045 - 2¹ = 26406043 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26406041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293356 + ... + 293445.

It is an arithmetic number, because the mean of its divisors is an integer number (3814213).

Almost surely, 2^26406045 is an apocalyptic number.

It is an amenable number.

26406045 is a deficient number, since it is larger than the sum of its proper divisors (19364511).

26406045 is a wasteful number, since it uses less digits than its factorization.

26406045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586812 (or 586809 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 26406045 is about 5138.6812510604. The cubic root of 26406045 is about 297.7838356987.

The spelling of 26406045 in words is "twenty-six million, four hundred six thousand, forty-five".