454541223444 has 96 divisors (see below), whose sum is σ = 1325063577600. Its totient is φ = 117816063360.

The previous prime is 454541223443. The next prime is 454541223523. The reversal of 454541223444 is 444322145454.

It is a super-2 number, since 2×454541223444² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 454541223396 and 454541223405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454541223443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70899 + ... + 956090.

It is an arithmetic number, because the mean of its divisors is an integer number (13802745600).

Almost surely, 2^454541223444 is an apocalyptic number.

454541223444 is a gapful number since it is divisible by the number (44) 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 454541223444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662531788800).

454541223444 is an abundant number, since it is smaller than the sum of its proper divisors (870522354156).

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

454541223444 is a wasteful number, since it uses less digits than its factorization.

454541223444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027493 (or 1027491 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 42.

Adding to 454541223444 its reverse (444322145454), we get a palindrome (898863368898).

The spelling of 454541223444 in words is "four hundred fifty-four billion, five hundred forty-one million, two hundred twenty-three thousand, four hundred forty-four".