1208444440000 has 140 divisors (see below), whose sum is σ = 3424628755504. Its totient is φ = 414323712000.

The previous prime is 1208444439947. The next prime is 1208444440033. The reversal of 1208444440000 is 444448021.

It is a tau number, because it is divible by the number of its divisors (140).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1877937 + ... + 2437936.

Almost surely, 2^{1208444440000} is an apocalyptic number.

1208444440000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1208444440000 is an abundant number, since it is smaller than the sum of its proper divisors (2216184315504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1208444440000 is an frugal number, since it uses more digits than its factorization.

1208444440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315912 (or 4315887 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 1208444440000 its reverse (444448021), we get a palindrome (1208888888021).

The spelling of 1208444440000 in words is "one trillion, two hundred eight billion, four hundred forty-four million, four hundred forty thousand".