26190945 has 40 divisors (see below), whose sum is σ = 51226560. Its totient is φ = 12696480.

The previous prime is 26190937. The next prime is 26190947. The reversal of 26190945 is 54909162.

It is not a de Polignac number, because 26190945 - 2³ = 26190937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26190947) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1516 + ... + 7394.

It is an arithmetic number, because the mean of its divisors is an integer number (1280664).

Almost surely, 2^26190945 is an apocalyptic number.

It is an amenable number.

26190945 is a deficient number, since it is larger than the sum of its proper divisors (25035615).

26190945 is a wasteful number, since it uses less digits than its factorization.

26190945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907 (or 5898 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 26190945 is about 5117.7089600719. The cubic root of 26190945 is about 296.9730615298.

The spelling of 26190945 in words is "twenty-six million, one hundred ninety thousand, nine hundred forty-five".