454253220 has 144 divisors (see below), whose sum is σ = 1452028032. Its totient is φ = 114723840.

The previous prime is 454253207. The next prime is 454253237. The reversal of 454253220 is 22352454.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 467335 + ... + 468305.

It is an arithmetic number, because the mean of its divisors is an integer number (10083528).

Almost surely, 2^454253220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454253220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726014016).

454253220 is an abundant number, since it is smaller than the sum of its proper divisors (997774812).

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

454253220 is a wasteful number, since it uses less digits than its factorization.

454253220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 454253220 is about 21313.2170260616. The cubic root of 454253220 is about 768.7161492134.

The spelling of 454253220 in words is "four hundred fifty-four million, two hundred fifty-three thousand, two hundred twenty".