26406026 has 4 divisors (see below), whose sum is σ = 39609042. Its totient is φ = 13203012.

The previous prime is 26405993. The next prime is 26406041. The reversal of 26406026 is 62060462.

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., 21631801 + 4774225 = 4651^2 + 2185^2 .

It is a super-2 number, since 2×26406026² = 1394556418225352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26405986 and 26406004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601505 + ... + 6601508.

Almost surely, 2^26406026 is an apocalyptic number.

26406026 is a deficient number, since it is larger than the sum of its proper divisors (13203016).

26406026 is a wasteful number, since it uses less digits than its factorization.

26406026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13203015.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 26406026 is about 5138.6794023368. The cubic root of 26406026 is about 297.7837642770.

Adding to 26406026 its reverse (62060462), we get a palindrome (88466488).

The spelling of 26406026 in words is "twenty-six million, four hundred six thousand, twenty-six".