454310549820 has 144 divisors (see below), whose sum is σ = 1430493573600. Its totient is φ = 121032631296.

The previous prime is 454310549809. The next prime is 454310549839. The reversal of 454310549820 is 28945013454.

454310549820 is a `hidden beast` number, since 4 + 54 + 3 + 105 + 498 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 5053584 + ... + 5142696.

It is an arithmetic number, because the mean of its divisors is an integer number (9933983150).

Almost surely, 2^454310549820 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 454310549820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715246786800).

454310549820 is an abundant number, since it is smaller than the sum of its proper divisors (976183023780).

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

454310549820 is a wasteful number, since it uses less digits than its factorization.

454310549820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90186 (or 90172 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 454310549820 in words is "four hundred fifty-four billion, three hundred ten million, five hundred forty-nine thousand, eight hundred twenty".