405453193728 has 160 divisors (see below), whose sum is σ = 1182384447552. Its totient is φ = 122443776000.

The previous prime is 405453193723. The next prime is 405453193729. The reversal of 405453193728 is 827391354504.

It is not an unprimeable number, because it can be changed into a prime (405453193723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4909578 + ... + 4991478.

Almost surely, 2^405453193728 is an apocalyptic number.

405453193728 is a gapful number since it is divisible by the number (48) 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 405453193728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591192223776).

405453193728 is an abundant number, since it is smaller than the sum of its proper divisors (776931253824).

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

405453193728 is a wasteful number, since it uses less digits than its factorization.

405453193728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82226 (or 82210 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 405453193728 in words is "four hundred five billion, four hundred fifty-three million, one hundred ninety-three thousand, seven hundred twenty-eight".