1144773914240 has 768 divisors, whose sum is σ = 3340491840000. Its totient is φ = 373436743680.

The previous prime is 1144773914231. The next prime is 1144773914243. The reversal of 1144773914240 is 424193774411.

It is not an unprimeable number, because it can be changed into a prime (1144773914243) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1911141461 + ... + 1911142059.

It is an arithmetic number, because the mean of its divisors is an integer number (4349598750).

Almost surely, 2^{1144773914240} is an apocalyptic number.

1144773914240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144773914240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1670245920000).

1144773914240 is an abundant number, since it is smaller than the sum of its proper divisors (2195717925760).

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

1144773914240 is a wasteful number, since it uses less digits than its factorization.

1144773914240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 1144773914240 in words is "one trillion, one hundred forty-four billion, seven hundred seventy-three million, nine hundred fourteen thousand, two hundred forty".