2400404604447 has 12 divisors (see below), whose sum is σ = 3280505367560. Its totient is φ = 1561238763840.

The previous prime is 2400404604397. The next prime is 2400404604463. The reversal of 2400404604447 is 7444064040042.

2400404604447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2400404604447 - 2¹⁵ = 2400404571679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400404604487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237988672 + ... + 237998757.

Almost surely, 2^{2400404604447} is an apocalyptic number.

2400404604447 is a deficient number, since it is larger than the sum of its proper divisors (880100763113).

2400404604447 is an equidigital number, since it uses as much as digits as its factorization.

2400404604447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475987514 (or 475987473 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 39.

Adding to 2400404604447 its reverse (7444064040042), we get a palindrome (9844468644489).

The spelling of 2400404604447 in words is "two trillion, four hundred billion, four hundred four million, six hundred four thousand, four hundred forty-seven".