2440426 has 8 divisors (see below), whose sum is σ = 3678624. Its totient is φ = 1214220.

The previous prime is 2440421. The next prime is 2440439. The reversal of 2440426 is 6240442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2440426² = 11911358122952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2440397 and 2440406.

It is not an unprimeable number, because it can be changed into a prime (2440421) 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, 2470 + ... + 3313.

It is an arithmetic number, because the mean of its divisors is an integer number (459828).

2^2440426 is an apocalyptic number.

2440426 is a deficient number, since it is larger than the sum of its proper divisors (1238198).

2440426 is a wasteful number, since it uses less digits than its factorization.

2440426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996.

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

The square root of 2440426 is about 1562.1862885072. The cubic root of 2440426 is about 134.6341442992.

Adding to 2440426 its reverse (6240442), we get a palindrome (8680868).

The spelling of 2440426 in words is "two million, four hundred forty thousand, four hundred twenty-six".