2440442434 has 4 divisors (see below), whose sum is σ = 3660663654. Its totient is φ = 1220221216.

The previous prime is 2440442387. The next prime is 2440442447. The reversal of 2440442434 is 4342440442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2134717209 + 305725225 = 46203^2 + 17485^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2440442396 and 2440442405.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 610110607 + ... + 610110610.

Almost surely, 2^2440442434 is an apocalyptic number.

2440442434 is a deficient number, since it is larger than the sum of its proper divisors (1220221220).

2440442434 is a wasteful number, since it uses less digits than its factorization.

2440442434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220221219.

The product of its (nonzero) digits is 49152, while the sum is 31.

The square root of 2440442434 is about 49400.8343451809. The cubic root of 2440442434 is about 1346.3444651048.

Adding to 2440442434 its reverse (4342440442), we get a palindrome (6782882876).

The spelling of 2440442434 in words is "two billion, four hundred forty million, four hundred forty-two thousand, four hundred thirty-four".