454212444402 has 64 divisors (see below), whose sum is σ = 1030866030720. Its totient is φ = 150064125120.

The previous prime is 454212444401. The next prime is 454212444419. The reversal of 454212444402 is 204444212454.

454212444402 is a `hidden beast` number, since 4 + 5 + 4 + 2 + 1 + 244 + 4 + 402 = 666.

It is a super-2 number, since 2×454212444402² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (454212444401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34777 + ... + 953747.

It is an arithmetic number, because the mean of its divisors is an integer number (16107281730).

Almost surely, 2^454212444402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454212444402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515433015360).

454212444402 is an abundant number, since it is smaller than the sum of its proper divisors (576653586318).

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

454212444402 is an equidigital number, since it uses as much as digits as its factorization.

454212444402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919107 (or 919089 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 36.

Adding to 454212444402 its reverse (204444212454), we get a palindrome (658656656856).

The spelling of 454212444402 in words is "four hundred fifty-four billion, two hundred twelve million, four hundred forty-four thousand, four hundred two".