1444557803348 has 24 divisors (see below), whose sum is σ = 2757849837120. Its totient is φ = 656603453120.

The previous prime is 1444557803333. The next prime is 1444557803357. The reversal of 1444557803348 is 8433087554441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1444557803293 and 1444557803302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1958240 + ... + 2593032.

It is an arithmetic number, because the mean of its divisors is an integer number (114910409880).

Almost surely, 2^{1444557803348} is an apocalyptic number.

It is an amenable number.

1444557803348 is a deficient number, since it is larger than the sum of its proper divisors (1313292033772).

1444557803348 is a wasteful number, since it uses less digits than its factorization.

1444557803348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686527 (or 686525 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 56.

The spelling of 1444557803348 in words is "one trillion, four hundred forty-four billion, five hundred fifty-seven million, eight hundred three thousand, three hundred forty-eight".