2440556 has 12 divisors (see below), whose sum is σ = 4282992. Its totient is φ = 1216848.

The previous prime is 2440541. The next prime is 2440561. The reversal of 2440556 is 6550442.

It is a d-powerful number, because it can be written as 2²¹ + 4 + 4⁹ + 0 + 5⁵ + 5⁷ + 6 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406 + ... + 2618.

It is an arithmetic number, because the mean of its divisors is an integer number (356916).

2^2440556 is an apocalyptic number.

It is an amenable number.

2440556 is a deficient number, since it is larger than the sum of its proper divisors (1842436).

2440556 is a wasteful number, since it uses less digits than its factorization.

2440556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 1718 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2440556 is about 1562.2278963071. The cubic root of 2440556 is about 134.6365348829.

Adding to 2440556 its reverse (6550442), we get a palindrome (8990998).

The spelling of 2440556 in words is "two million, four hundred forty thousand, five hundred fifty-six".