1440073444469 has 8 divisors (see below), whose sum is σ = 1571723002080. Its totient is φ = 1308546185200.

The previous prime is 1440073444463. The next prime is 1440073444483. The reversal of 1440073444469 is 9644443700441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1440073444469 is a prime.

It is a super-2 number, since 2×1440073444469² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 30549959 + ... + 30597060.

It is an arithmetic number, because the mean of its divisors is an integer number (196465375260).

Almost surely, 2^{1440073444469} is an apocalyptic number.

It is an amenable number.

1440073444469 is a deficient number, since it is larger than the sum of its proper divisors (131649557611).

1440073444469 is a wasteful number, since it uses less digits than its factorization.

1440073444469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61149171.

The product of its (nonzero) digits is 4644864, while the sum is 50.

The spelling of 1440073444469 in words is "one trillion, four hundred forty billion, seventy-three million, four hundred forty-four thousand, four hundred sixty-nine".