453418794444 has 1152 divisors, whose sum is σ = 1565009510400. Its totient is φ = 99358617600.

The previous prime is 453418794391. The next prime is 453418794449. The reversal of 453418794444 is 444497814354.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (453418794449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 5094593152 + ... + 5094593240.

It is an arithmetic number, because the mean of its divisors is an integer number (1358515200).

Almost surely, 2^453418794444 is an apocalyptic number.

453418794444 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 453418794444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782504755200).

453418794444 is an abundant number, since it is smaller than the sum of its proper divisors (1111590715956).

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

453418794444 is a wasteful number, since it uses less digits than its factorization.

453418794444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 222 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 57.

The spelling of 453418794444 in words is "four hundred fifty-three billion, four hundred eighteen million, seven hundred ninety-four thousand, four hundred forty-four".