454023220332 has 96 divisors (see below), whose sum is σ = 1186753042944. Its totient is φ = 133931980800.

The previous prime is 454023220307. The next prime is 454023220333. The reversal of 454023220332 is 233022320454.

It is a happy number.

It is a super-2 number, since 2×454023220332² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 454023220332.

It is not an unprimeable number, because it can be changed into a prime (454023220333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490393 + ... + 1071695.

It is an arithmetic number, because the mean of its divisors is an integer number (12362010864).

Almost surely, 2^454023220332 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 454023220332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593376521472).

454023220332 is an abundant number, since it is smaller than the sum of its proper divisors (732729822612).

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

454023220332 is a wasteful number, since it uses less digits than its factorization.

454023220332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581479 (or 581477 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 454023220332 its reverse (233022320454), we get a palindrome (687045540786).

The spelling of 454023220332 in words is "four hundred fifty-four billion, twenty-three million, two hundred twenty thousand, three hundred thirty-two".