244140010042 has 4 divisors (see below), whose sum is σ = 366210015066. Its totient is φ = 122070005020.

The previous prime is 244140010001. The next prime is 244140010057. The reversal of 244140010042 is 240010041442.

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., 237450569521 + 6689440521 = 487289^2 + 81789^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 244140009995 and 244140010022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61035002509 + ... + 61035002512.

Almost surely, 2^244140010042 is an apocalyptic number.

244140010042 is a deficient number, since it is larger than the sum of its proper divisors (122070005024).

244140010042 is a wasteful number, since it uses less digits than its factorization.

244140010042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122070005023.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 244140010042 its reverse (240010041442), we get a palindrome (484150051484).

The spelling of 244140010042 in words is "two hundred forty-four billion, one hundred forty million, ten thousand, forty-two".