2440442 has 8 divisors (see below), whose sum is σ = 3677076. Its totient is φ = 1214752.

The previous prime is 2440439. The next prime is 2440447.

2440442 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 2436721 + 3721 = 1561^2 + 61^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2440447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2153 + ... + 3084.

2^2440442 is an apocalyptic number.

2440442 is a deficient number, since it is larger than the sum of its proper divisors (1236634).

2440442 is a wasteful number, since it uses less digits than its factorization.

2440442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2440442 is about 1562.1914095270. The cubic root of 2440442 is about 134.6344385295.

It can be divided in two parts, 2440 and 442, that added together give a palindrome (2882).

The spelling of 2440442 in words is "two million, four hundred forty thousand, four hundred forty-two".