452943648 has 144 divisors (see below), whose sum is σ = 1384096896. Its totient is φ = 139991040.

The previous prime is 452943637. The next prime is 452943707. The reversal of 452943648 is 846349254.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346965 + ... + 348267.

It is an arithmetic number, because the mean of its divisors is an integer number (9611784).

Almost surely, 2^452943648 is an apocalyptic number.

452943648 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 452943648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692048448).

452943648 is an abundant number, since it is smaller than the sum of its proper divisors (931153248).

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

452943648 is a wasteful number, since it uses less digits than its factorization.

452943648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407 (or 1396 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 452943648 is about 21282.4727886587. The cubic root of 452943648 is about 767.9767245550.

The spelling of 452943648 in words is "four hundred fifty-two million, nine hundred forty-three thousand, six hundred forty-eight".