26190104 has 8 divisors (see below), whose sum is σ = 49106460. Its totient is φ = 13095048.

The previous prime is 26190091. The next prime is 26190107. The reversal of 26190104 is 40109162.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 26190104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26190107) by changing a digit.

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 as a sum of consecutive naturals, namely, 1636874 + ... + 1636889.

Almost surely, 2^26190104 is an apocalyptic number.

It is an amenable number.

26190104 is a deficient number, since it is larger than the sum of its proper divisors (22916356).

26190104 is a wasteful number, since it uses less digits than its factorization.

26190104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273769 (or 3273765 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 26190104 is about 5117.6267937395. The cubic root of 26190104 is about 296.9698828610.

Adding to 26190104 its reverse (40109162), we get a palindrome (66299266).

The spelling of 26190104 in words is "twenty-six million, one hundred ninety thousand, one hundred four".