452216400 has 60 divisors (see below), whose sum is σ = 1448603712. Its totient is φ = 120590720.

The previous prime is 452216389. The next prime is 452216407. The reversal of 452216400 is 4612254.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452216407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187224 + ... + 189623.

Almost surely, 2^452216400 is an apocalyptic number.

452216400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452216400 is an abundant number, since it is smaller than the sum of its proper divisors (996387312).

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

452216400 is a wasteful number, since it uses less digits than its factorization.

452216400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376868 (or 376857 counting only the distinct ones).

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

The square root of 452216400 is about 21265.3803163734. The cubic root of 452216400 is about 767.5654822873.

Adding to 452216400 its reverse (4612254), we get a palindrome (456828654).

The spelling of 452216400 in words is "four hundred fifty-two million, two hundred sixteen thousand, four hundred".