453830640 has 160 divisors (see below), whose sum is σ = 1526527296. Its totient is φ = 111083520.

The previous prime is 453830639. The next prime is 453830677. The reversal of 453830640 is 46038354.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165924 + ... + 168636.

Almost surely, 2^453830640 is an apocalyptic number.

453830640 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 453830640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763263648).

453830640 is an abundant number, since it is smaller than the sum of its proper divisors (1072696656).

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

453830640 is a wasteful number, since it uses less digits than its factorization.

453830640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787 (or 2781 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 453830640 is about 21303.3011526383. The cubic root of 453830640 is about 768.4777030198.

Adding to 453830640 its reverse (46038354), we get a palindrome (499868994).

The spelling of 453830640 in words is "four hundred fifty-three million, eight hundred thirty thousand, six hundred forty".