1000040401204 has 12 divisors (see below), whose sum is σ = 1884691525444. Its totient is φ = 461557108224.

The previous prime is 1000040401193. The next prime is 1000040401207. The reversal of 1000040401204 is 4021040400001.

It can be written as a sum of positive squares in 2 ways, for example, as 87438490000 + 912601911204 = 295700^2 + 955302^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000040401207) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 9615773037 + ... + 9615773140.

Almost surely, 2^{1000040401204} is an apocalyptic number.

It is an amenable number.

1000040401204 is a deficient number, since it is larger than the sum of its proper divisors (884651124240).

1000040401204 is a wasteful number, since it uses less digits than its factorization.

1000040401204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19231546194 (or 19231546192 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1000040401204 its reverse (4021040400001), we get a palindrome (5021080801205).

The spelling of 1000040401204 in words is "one trillion, forty million, four hundred one thousand, two hundred four".