1144405553344 has 28 divisors (see below), whose sum is σ = 2270964539088. Its totient is φ = 572194016000.

The previous prime is 1144405553341. The next prime is 1144405553387. The reversal of 1144405553344 is 4433555044411.

It is a self number, because there is not a number n which added to its sum of digits gives 1144405553344.

It is not an unprimeable number, because it can be changed into a prime (1144405553341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6804669 + ... + 6970819.

It is an arithmetic number, because the mean of its divisors is an integer number (81105876396).

Almost surely, 2^{1144405553344} is an apocalyptic number.

It is an amenable number.

1144405553344 is a deficient number, since it is larger than the sum of its proper divisors (1126558985744).

1144405553344 is a wasteful number, since it uses less digits than its factorization.

1144405553344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273784 (or 273774 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 1144405553344 in words is "one trillion, one hundred forty-four billion, four hundred five million, five hundred fifty-three thousand, three hundred forty-four".