454440000 has 280 divisors, whose sum is σ = 1720299328. Its totient is φ = 103680000.

The previous prime is 454439989. The next prime is 454440011. The reversal of 454440000 is 44454.

It is an interprime number because it is at equal distance from previous prime (454439989) and next prime (454440011).

It is a tau number, because it is divible by the number of its divisors (280).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 839730 + ... + 840270.

Almost surely, 2^454440000 is an apocalyptic number.

454440000 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 454440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860149664).

454440000 is an abundant number, since it is smaller than the sum of its proper divisors (1265859328).

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

454440000 is an equidigital number, since it uses as much as digits as its factorization.

454440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 454440000 is about 21317.5983637932. The cubic root of 454440000 is about 768.8214951022.

Adding to 454440000 its reverse (44454), we get a palindrome (454484454).

It can be divided in two parts, 4544 and 40000, that added together give a palindrome (44544).

The spelling of 454440000 in words is "four hundred fifty-four million, four hundred forty thousand".