453844381213440 has 864 divisors, whose sum is σ = 1844270622544896. Its totient is φ = 100866897838080.

The previous prime is 453844381213411. The next prime is 453844381213453. The reversal of 453844381213440 is 44312183448354.

453844381213440 is a `hidden beast` number, since 4 + 5 + 3 + 8 + 4 + 4 + 381 + 213 + 4 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4687312869 + ... + 4687409691.

Almost surely, 2^{453844381213440} is an apocalyptic number.

453844381213440 is a gapful number since it is divisible by the number (40) 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 453844381213440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922135311272448).

453844381213440 is an abundant number, since it is smaller than the sum of its proper divisors (1390426241331456).

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

453844381213440 is a wasteful number, since it uses less digits than its factorization.

453844381213440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98465 (or 98448 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 54.

The spelling of 453844381213440 in words is "four hundred fifty-three trillion, eight hundred forty-four billion, three hundred eighty-one million, two hundred thirteen thousand, four hundred forty".