1550404440448 has 16 divisors (see below), whose sum is σ = 3088696346460. Its totient is φ = 775202220160.

The previous prime is 1550404440443. The next prime is 1550404440449. The reversal of 1550404440448 is 8440444040551.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550404440443) 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 as a sum of consecutive naturals, namely, 6056267218 + ... + 6056267473.

Almost surely, 2^{1550404440448} is an apocalyptic number.

It is an amenable number.

1550404440448 is a deficient number, since it is larger than the sum of its proper divisors (1538291906012).

1550404440448 is an equidigital number, since it uses as much as digits as its factorization.

1550404440448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12112534705 (or 12112534693 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 43.

Adding to 1550404440448 its reverse (8440444040551), we get a palindrome (9990848480999).

The spelling of 1550404440448 in words is "one trillion, five hundred fifty billion, four hundred four million, four hundred forty thousand, four hundred forty-eight".