1442444040453 has 24 divisors (see below), whose sum is σ = 2089993458240. Its totient is φ = 884498858880.

The previous prime is 1442444040439. The next prime is 1442444040487. The reversal of 1442444040453 is 3540404442441.

It is not a de Polignac number, because 1442444040453 - 2⁴ = 1442444040437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442444040403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4919913 + ... + 5204846.

It is an arithmetic number, because the mean of its divisors is an integer number (87083060760).

Almost surely, 2^{1442444040453} is an apocalyptic number.

1442444040453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1442444040453 is a deficient number, since it is larger than the sum of its proper divisors (647549417787).

1442444040453 is a wasteful number, since it uses less digits than its factorization.

1442444040453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10125069 (or 10125056 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 39.

Adding to 1442444040453 its reverse (3540404442441), we get a palindrome (4982848482894).

The spelling of 1442444040453 in words is "one trillion, four hundred forty-two billion, four hundred forty-four million, forty thousand, four hundred fifty-three".