452621400 has 384 divisors, whose sum is σ = 1784885760. Its totient is φ = 92160000.

The previous prime is 452621399. The next prime is 452621441. The reversal of 452621400 is 4126254.

It is a super-2 number, since 2×452621400² = 409732263475920000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4481350 + ... + 4481450.

It is an arithmetic number, because the mean of its divisors is an integer number (4648140).

Almost surely, 2^452621400 is an apocalyptic number.

452621400 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 452621400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892442880).

452621400 is an abundant number, since it is smaller than the sum of its proper divisors (1332264360).

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

452621400 is a wasteful number, since it uses less digits than its factorization.

452621400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 452621400 is about 21274.9007048212. The cubic root of 452621400 is about 767.7945549645.

Adding to 452621400 its reverse (4126254), we get a palindrome (456747654).

The spelling of 452621400 in words is "four hundred fifty-two million, six hundred twenty-one thousand, four hundred".