26130442 has 24 divisors (see below), whose sum is σ = 42933996. Its totient is φ = 11920896.

The previous prime is 26130409. The next prime is 26130493. The reversal of 26130442 is 24403162.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3272481 + 22857961 = 1809^2 + 4781^2 .

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 11 ways as a sum of consecutive naturals, for example, 32388 + ... + 33184.

Almost surely, 2^26130442 is an apocalyptic number.

26130442 is a deficient number, since it is larger than the sum of its proper divisors (16803554).

26130442 is a wasteful number, since it uses less digits than its factorization.

26130442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 26130442 is about 5111.7944011863. The cubic root of 26130442 is about 296.7442087139.

It can be divided in two parts, 261 and 30442, that added together give a palindrome (30703).

The spelling of 26130442 in words is "twenty-six million, one hundred thirty thousand, four hundred forty-two".