1344555505550 has 48 divisors (see below), whose sum is σ = 2587779349200. Its totient is φ = 519142310400.

The previous prime is 1344555505511. The next prime is 1344555505591. The reversal of 1344555505550 is 555055554431.

It is a junction number, because it is equal to n+sod(n) for n = 1344555505495 and 1344555505504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5582006 + ... + 5817894.

It is an arithmetic number, because the mean of its divisors is an integer number (53912069775).

Almost surely, 2^{1344555505550} is an apocalyptic number.

1344555505550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1344555505550 is a deficient number, since it is larger than the sum of its proper divisors (1243223843650).

1344555505550 is a wasteful number, since it uses less digits than its factorization.

1344555505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239861 (or 239856 counting only the distinct ones).

The product of its (nonzero) digits is 3750000, while the sum is 47.

The spelling of 1344555505550 in words is "one trillion, three hundred forty-four billion, five hundred fifty-five million, five hundred five thousand, five hundred fifty".