1240204422004 has 6 divisors (see below), whose sum is σ = 2170357738514. Its totient is φ = 620102211000.

The previous prime is 1240204421977. The next prime is 1240204422019. The reversal of 1240204422004 is 4002244020421.

It can be written as a sum of positive squares in only one way, i.e., 1076721673104 + 163482748900 = 1037652^2 + 404330^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1240204422004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155025552747 + ... + 155025552754.

Almost surely, 2^{1240204422004} is an apocalyptic number.

It is an amenable number.

1240204422004 is a deficient number, since it is larger than the sum of its proper divisors (930153316510).

1240204422004 is a wasteful number, since it uses less digits than its factorization.

1240204422004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310051105505 (or 310051105503 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 1240204422004 its reverse (4002244020421), we get a palindrome (5242448442425).

The spelling of 1240204422004 in words is "one trillion, two hundred forty billion, two hundred four million, four hundred twenty-two thousand, four".