2420403442 has 4 divisors (see below), whose sum is σ = 3630605166. Its totient is φ = 1210201720.

The previous prime is 2420403431. The next prime is 2420403443. The reversal of 2420403442 is 2443040242.

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., 2088398601 + 332004841 = 45699^2 + 18221^2 .

It is not an unprimeable number, because it can be changed into a prime (2420403443) 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 as a sum of consecutive naturals, namely, 605100859 + ... + 605100862.

Almost surely, 2^2420403442 is an apocalyptic number.

2420403442 is a deficient number, since it is larger than the sum of its proper divisors (1210201724).

2420403442 is a wasteful number, since it uses less digits than its factorization.

2420403442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210201723.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 2420403442 is about 49197.5958965476. The cubic root of 2420403442 is about 1342.6492923499.

Adding to 2420403442 its reverse (2443040242), we get a palindrome (4863443684).

The spelling of 2420403442 in words is "two billion, four hundred twenty million, four hundred three thousand, four hundred forty-two".