4544397312 has 288 divisors, whose sum is σ = 15032328192. Its totient is φ = 1189085184.

The previous prime is 4544397289. The next prime is 4544397331. The reversal of 4544397312 is 2137934454.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35782593 + ... + 35782719.

It is an arithmetic number, because the mean of its divisors is an integer number (52195584).

Almost surely, 2^4544397312 is an apocalyptic number.

4544397312 is a gapful number since it is divisible by the number (42) 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 4544397312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7516164096).

4544397312 is an abundant number, since it is smaller than the sum of its proper divisors (10487930880).

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

4544397312 is an equidigital number, since it uses as much as digits as its factorization.

4544397312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 152 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 4544397312 is about 67412.1451372080. The cubic root of 4544397312 is about 1656.3753729098.

It can be divided in two parts, 4544 and 397312, that added together give a triangular number (401856 = T₈₉₆).

The spelling of 4544397312 in words is "four billion, five hundred forty-four million, three hundred ninety-seven thousand, three hundred twelve".