26102945 has 32 divisors (see below), whose sum is σ = 35721216. Its totient is φ = 18144000.

The previous prime is 26102927. The next prime is 26102959. The reversal of 26102945 is 54920162.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-26102945 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 205472 + ... + 205598.

It is an arithmetic number, because the mean of its divisors is an integer number (1116288).

Almost surely, 2^26102945 is an apocalyptic number.

It is an amenable number.

26102945 is a deficient number, since it is larger than the sum of its proper divisors (9618271).

26102945 is a wasteful number, since it uses less digits than its factorization.

26102945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 26102945 is about 5109.1041289056. The cubic root of 26102945 is about 296.6400844479.

It can be divided in two parts, 2610 and 2945, that added together give a palindrome (5555).

The spelling of 26102945 in words is "twenty-six million, one hundred two thousand, nine hundred forty-five".