452444400 has 120 divisors (see below), whose sum is σ = 1610405360. Its totient is φ = 120648960.

The previous prime is 452444393. The next prime is 452444401. The reversal of 452444400 is 4444254.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452444401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10147 + ... + 31746.

Almost surely, 2^452444400 is an apocalyptic number.

452444400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452444400 is an abundant number, since it is smaller than the sum of its proper divisors (1157960960).

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

452444400 is a wasteful number, since it uses less digits than its factorization.

452444400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41920 (or 41903 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 452444400 is about 21270.7404666598. The cubic root of 452444400 is about 767.6944585375.

Adding to 452444400 its reverse (4444254), we get a palindrome (456888654).

The spelling of 452444400 in words is "four hundred fifty-two million, four hundred forty-four thousand, four hundred".