26400424 has 16 divisors (see below), whose sum is σ = 52106400. Its totient is φ = 12505392.

The previous prime is 26400421. The next prime is 26400463. The reversal of 26400424 is 42400462.

It is a junction number, because it is equal to n+sod(n) for n = 26400395 and 26400404.

It is not an unprimeable number, because it can be changed into a prime (26400421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86692 + ... + 86995.

It is an arithmetic number, because the mean of its divisors is an integer number (3256650).

Almost surely, 2^26400424 is an apocalyptic number.

It is an amenable number.

26400424 is a deficient number, since it is larger than the sum of its proper divisors (25705976).

26400424 is a wasteful number, since it uses less digits than its factorization.

26400424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173712 (or 173708 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 26400424 is about 5138.1342917444. The cubic root of 26400424 is about 297.7627046569.

Adding to 26400424 its reverse (42400462), we get a palindrome (68800886).

The spelling of 26400424 in words is "twenty-six million, four hundred thousand, four hundred twenty-four".