2418644042 has 4 divisors (see below), whose sum is σ = 3627966066. Its totient is φ = 1209322020.

The previous prime is 2418644027. The next prime is 2418644093. The reversal of 2418644042 is 2404468142.

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., 2253495841 + 165148201 = 47471^2 + 12851^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2418643993 and 2418644011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604661009 + ... + 604661012.

Almost surely, 2^2418644042 is an apocalyptic number.

2418644042 is a deficient number, since it is larger than the sum of its proper divisors (1209322024).

2418644042 is a wasteful number, since it uses less digits than its factorization.

2418644042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209322023.

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 2418644042 is about 49179.7116908995. The cubic root of 2418644042 is about 1342.3238879520.

The spelling of 2418644042 in words is "two billion, four hundred eighteen million, six hundred forty-four thousand, forty-two".