26401234 has 4 divisors (see below), whose sum is σ = 39601854. Its totient is φ = 13200616.

The previous prime is 26401229. The next prime is 26401259. The reversal of 26401234 is 43210462.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14478025 + 11923209 = 3805^2 + 3453^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600307 + ... + 6600310.

Almost surely, 2^26401234 is an apocalyptic number.

26401234 is a deficient number, since it is larger than the sum of its proper divisors (13200620).

26401234 is a wasteful number, since it uses less digits than its factorization.

26401234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200619.

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

The square root of 26401234 is about 5138.2131135250. The cubic root of 26401234 is about 297.7657498772.

Adding to 26401234 its reverse (43210462), we get a palindrome (69611696).

The spelling of 26401234 in words is "twenty-six million, four hundred one thousand, two hundred thirty-four".