2240442240242 has 4 divisors (see below), whose sum is σ = 3360663360366. Its totient is φ = 1120221120120.

The previous prime is 2240442240193. The next prime is 2240442240299. The reversal of 2240442240242 is 2420422440422.

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., 2064655745881 + 175786494361 = 1436891^2 + 419269^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2240442240199 and 2240442240208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560110560059 + ... + 560110560062.

Almost surely, 2^{2240442240242} is an apocalyptic number.

2240442240242 is a deficient number, since it is larger than the sum of its proper divisors (1120221120124).

2240442240242 is a wasteful number, since it uses less digits than its factorization.

2240442240242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120221120123.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 2240442240242 its reverse (2420422440422), we get a palindrome (4660864680664).

The spelling of 2240442240242 in words is "two trillion, two hundred forty billion, four hundred forty-two million, two hundred forty thousand, two hundred forty-two".