9464544144 has 200 divisors, whose sum is σ = 30074137632. Its totient is φ = 2849748480.

The previous prime is 9464544127. The next prime is 9464544163. The reversal of 9464544144 is 4414454649.

It is a happy number.

9464544144 is a `hidden beast` number, since 9 + 4 + 64 + 544 + 1 + 44 = 666.

It is a super-3 number, since 3×9464544144³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9464544144.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2321692 + ... + 2325764.

Almost surely, 2^9464544144 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 9464544144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15037068816).

9464544144 is an abundant number, since it is smaller than the sum of its proper divisors (20609593488).

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

9464544144 is a wasteful number, since it uses less digits than its factorization.

9464544144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267 (or 4252 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The square root of 9464544144 is about 97285.8887197933. Note that the first 3 decimals coincide. The cubic root of 9464544144 is about 2115.2736872323.

The spelling of 9464544144 in words is "nine billion, four hundred sixty-four million, five hundred forty-four thousand, one hundred forty-four".