1144773455340 has 96 divisors (see below), whose sum is σ = 3404760730560. Its totient is φ = 286397669376.

The previous prime is 1144773455281. The next prime is 1144773455341. The reversal of 1144773455340 is 435543774411.

It is a self number, because there is not a number n which added to its sum of digits gives 1144773455340.

It is not an unprimeable number, because it can be changed into a prime (1144773455341) 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 in 31 ways as a sum of consecutive naturals, for example, 1473595 + ... + 2112114.

It is an arithmetic number, because the mean of its divisors is an integer number (35466257610).

Almost surely, 2^{1144773455340} is an apocalyptic number.

1144773455340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144773455340 is an abundant number, since it is smaller than the sum of its proper divisors (2259987275220).

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

1144773455340 is a wasteful number, since it uses less digits than its factorization.

1144773455340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586051 (or 3586049 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 48.

The spelling of 1144773455340 in words is "one trillion, one hundred forty-four billion, seven hundred seventy-three million, four hundred fifty-five thousand, three hundred forty".