2440404442 has 16 divisors (see below), whose sum is σ = 4184519040. Its totient is φ = 1045645488.

The previous prime is 2440404367. The next prime is 2440404467. The reversal of 2440404442 is 2444040442.

It is a self number, because there is not a number n which added to its sum of digits gives 2440404442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51148 + ... + 86584.

It is an arithmetic number, because the mean of its divisors is an integer number (261532440).

Almost surely, 2^2440404442 is an apocalyptic number.

2440404442 is a deficient number, since it is larger than the sum of its proper divisors (1744114598).

2440404442 is a wasteful number, since it uses less digits than its factorization.

2440404442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40365.

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 2440404442 is about 49400.4498157658. The cubic root of 2440404442 is about 1346.3374785869.

Adding to 2440404442 its reverse (2444040442), we get a palindrome (4884444884).

The spelling of 2440404442 in words is "two billion, four hundred forty million, four hundred four thousand, four hundred forty-two".