452144400 has 60 divisors (see below), whose sum is σ = 1448373072. Its totient is φ = 120571520.

The previous prime is 452144369. The next prime is 452144411. The reversal of 452144400 is 4441254.

It is a happy number.

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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187194 + ... + 189593.

Almost surely, 2^452144400 is an apocalyptic number.

452144400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452144400 is an abundant number, since it is smaller than the sum of its proper divisors (996228672).

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

452144400 is a wasteful number, since it uses less digits than its factorization.

452144400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376808 (or 376797 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 452144400 is about 21263.6873566181. The cubic root of 452144400 is about 767.5247439387.

Adding to 452144400 its reverse (4441254), we get a palindrome (456585654).

The spelling of 452144400 in words is "four hundred fifty-two million, one hundred forty-four thousand, four hundred".