1444958473728 has 800 divisors, whose sum is σ = 4947369419520. Its totient is φ = 367013560320.

The previous prime is 1444958473687. The next prime is 1444958473733. The reversal of 1444958473728 is 8273748594441.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10547142076 + ... + 10547142212.

Almost surely, 2^{1444958473728} 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 1444958473728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2473684709760).

1444958473728 is an abundant number, since it is smaller than the sum of its proper divisors (3502410945792).

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

1444958473728 is an frugal number, since it uses more digits than its factorization.

1444958473728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 227 counting only the distinct ones).

The product of its digits is 216760320, while the sum is 66.

The spelling of 1444958473728 in words is "one trillion, four hundred forty-four billion, nine hundred fifty-eight million, four hundred seventy-three thousand, seven hundred twenty-eight".