454122240 has 288 divisors, whose sum is σ = 1705971456. Its totient is φ = 101498880.

The previous prime is 454122239. The next prime is 454122259. The reversal of 454122240 is 42221454.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 454122240.

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 31 ways as a sum of consecutive naturals, for example, 548707 + ... + 549533.

It is an arithmetic number, because the mean of its divisors is an integer number (5923512).

Almost surely, 2^454122240 is an apocalyptic number.

454122240 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 454122240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852985728).

454122240 is an abundant number, since it is smaller than the sum of its proper divisors (1251849216).

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

454122240 is a wasteful number, since it uses less digits than its factorization.

454122240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 861 counting only the distinct ones).

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

The square root of 454122240 is about 21310.1440633328. The cubic root of 454122240 is about 768.6422578861.

Adding to 454122240 its reverse (42221454), we get a palindrome (496343694).

The spelling of 454122240 in words is "four hundred fifty-four million, one hundred twenty-two thousand, two hundred forty".