452643630 has 32 divisors (see below), whose sum is σ = 1086922368. Its totient is φ = 120640800.

The previous prime is 452643619. The next prime is 452643637. The reversal of 452643630 is 36346254.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 452643591 and 452643600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452643637) 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, 87825 + ... + 92835.

It is an arithmetic number, because the mean of its divisors is an integer number (33966324).

Almost surely, 2^452643630 is an apocalyptic number.

452643630 is an abundant number, since it is smaller than the sum of its proper divisors (634278738).

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

452643630 is a wasteful number, since it uses less digits than its factorization.

452643630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8032.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 452643630 is about 21275.4231450282. The cubic root of 452643630 is about 767.8071245525.

Adding to 452643630 its reverse (36346254), we get a palindrome (488989884).

The spelling of 452643630 in words is "four hundred fifty-two million, six hundred forty-three thousand, six hundred thirty".