26500045 has 24 divisors (see below), whose sum is σ = 37577952. Its totient is φ = 17784000.

The previous prime is 26500039. The next prime is 26500049. The reversal of 26500045 is 54000562.

It is not a de Polignac number, because 26500045 - 2⁵ = 26500013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26499989 and 26500025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26500049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7870 + ... + 10720.

It is an arithmetic number, because the mean of its divisors is an integer number (1565748).

Almost surely, 2^26500045 is an apocalyptic number.

It is an amenable number.

26500045 is a deficient number, since it is larger than the sum of its proper divisors (11077907).

26500045 is a wasteful number, since it uses less digits than its factorization.

26500045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893 (or 2880 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 26500045 is about 5147.8194412780. The cubic root of 26500045 is about 298.1367666437.

The spelling of 26500045 in words is "twenty-six million, five hundred thousand, forty-five".