1144621063944 has 192 divisors, whose sum is σ = 3230716881600. Its totient is φ = 365857110528.

The previous prime is 1144621063931. The next prime is 1144621063951. The reversal of 1144621063944 is 4493601264411.

1144621063944 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 6 + 2 + 1 + 0 + 639 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1144621063944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38935219 + ... + 38964605.

It is an arithmetic number, because the mean of its divisors is an integer number (16826650425).

Almost surely, 2^{1144621063944} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144621063944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615358440800).

1144621063944 is an abundant number, since it is smaller than the sum of its proper divisors (2086095817656).

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

1144621063944 is a wasteful number, since it uses less digits than its factorization.

1144621063944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29684 (or 29677 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 1144621063944 in words is "one trillion, one hundred forty-four billion, six hundred twenty-one million, sixty-three thousand, nine hundred forty-four".