1440073444468 has 12 divisors (see below), whose sum is σ = 2581595077572. Its totient is φ = 702474850880.

The previous prime is 1440073444463. The next prime is 1440073444483. The reversal of 1440073444468 is 8644443700441.

It can be written as a sum of positive squares in 2 ways, for example, as 274217700964 + 1165855743504 = 523658^2 + 1079748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440073444463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4390467655 + ... + 4390467982.

It is an arithmetic number, because the mean of its divisors is an integer number (215132923131).

Almost surely, 2^{1440073444468} is an apocalyptic number.

It is an amenable number.

1440073444468 is a deficient number, since it is larger than the sum of its proper divisors (1141521633104).

1440073444468 is a wasteful number, since it uses less digits than its factorization.

1440073444468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8780935682 (or 8780935680 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 49.

The spelling of 1440073444468 in words is "one trillion, four hundred forty billion, seventy-three million, four hundred forty-four thousand, four hundred sixty-eight".