1144546596864 has 432 divisors, whose sum is σ = 3653694790200. Its totient is φ = 344905482240.

The previous prime is 1144546596847. The next prime is 1144546596871. The reversal of 1144546596864 is 4686956454411.

1144546596864 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 5 + 465 + 96 + 86 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 430441167 + ... + 430443825.

Almost surely, 2^{1144546596864} 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 1144546596864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1826847395100).

1144546596864 is an abundant number, since it is smaller than the sum of its proper divisors (2509148193336).

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

1144546596864 is a wasteful number, since it uses less digits than its factorization.

1144546596864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902 (or 2868 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 63.

The spelling of 1144546596864 in words is "one trillion, one hundred forty-four billion, five hundred forty-six million, five hundred ninety-six thousand, eight hundred sixty-four".