1453322543344 has 80 divisors (see below), whose sum is σ = 3395893006080. Its totient is φ = 588598963200.

The previous prime is 1453322543333. The next prime is 1453322543353. The reversal of 1453322543344 is 4433452233541.

It is a super-2 number, since 2×1453322543344² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453322543344.

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, 1767 + ... + 1704889.

It is an arithmetic number, because the mean of its divisors is an integer number (42448662576).

Almost surely, 2^{1453322543344} is an apocalyptic number.

1453322543344 is a gapful number since it is divisible by the number (14) 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 1453322543344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697946503040).

1453322543344 is an abundant number, since it is smaller than the sum of its proper divisors (1942570462736).

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

1453322543344 is a wasteful number, since it uses less digits than its factorization.

1453322543344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703558 (or 1703552 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 43.

Adding to 1453322543344 its reverse (4433452233541), we get a palindrome (5886774776885).

The spelling of 1453322543344 in words is "one trillion, four hundred fifty-three billion, three hundred twenty-two million, five hundred forty-three thousand, three hundred forty-four".