26645045 has 16 divisors (see below), whose sum is σ = 36754560. Its totient is φ = 18164544.

The previous prime is 26645023. The next prime is 26645051. The reversal of 26645045 is 54054662.

It is a cyclic number.

It is not a de Polignac number, because 26645045 - 2⁸ = 26644789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4139 + ... + 8391.

It is an arithmetic number, because the mean of its divisors is an integer number (2297160).

Almost surely, 2^26645045 is an apocalyptic number.

It is an amenable number.

26645045 is a deficient number, since it is larger than the sum of its proper divisors (10109515).

26645045 is a wasteful number, since it uses less digits than its factorization.

26645045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 26645045 is about 5161.8838615374. The cubic root of 26645045 is about 298.6795484043.

The spelling of 26645045 in words is "twenty-six million, six hundred forty-five thousand, forty-five".