452331000 has 256 divisors, whose sum is σ = 1711756800. Its totient is φ = 109584000.

The previous prime is 452330971. The next prime is 452331001. The reversal of 452331000 is 133254.

It is a super-2 number, since 2×452331000² = 409206667122000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452331001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 296239 + ... + 297761.

It is an arithmetic number, because the mean of its divisors is an integer number (6686550).

Almost surely, 2^452331000 is an apocalyptic number.

452331000 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 452331000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855878400).

452331000 is an abundant number, since it is smaller than the sum of its proper divisors (1259425800).

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

452331000 is a wasteful number, since it uses less digits than its factorization.

452331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 452331000 is about 21268.0746660341. The cubic root of 452331000 is about 767.6303152410.

Adding to 452331000 its reverse (133254), we get a palindrome (452464254).

The spelling of 452331000 in words is "four hundred fifty-two million, three hundred thirty-one thousand".