26406842 has 16 divisors (see below), whose sum is σ = 49384512. Its totient is φ = 10288320.

The previous prime is 26406841. The next prime is 26406869. The reversal of 26406842 is 24860462.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26406799 and 26406808.

It is not an unprimeable number, because it can be changed into a prime (26406841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85583 + ... + 85890.

It is an arithmetic number, because the mean of its divisors is an integer number (3086532).

Almost surely, 2^26406842 is an apocalyptic number.

26406842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26406842 is a deficient number, since it is larger than the sum of its proper divisors (22977670).

26406842 is a wasteful number, since it uses less digits than its factorization.

26406842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171493.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 26406842 is about 5138.7587995546. The cubic root of 26406842 is about 297.7868316204.

The spelling of 26406842 in words is "twenty-six million, four hundred six thousand, eight hundred forty-two".