454364491920 has 80 divisors (see below), whose sum is σ = 1413507273792. Its totient is φ = 120735705600.

The previous prime is 454364491909. The next prime is 454364491961. The reversal of 454364491920 is 29194463454.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 3276931 + ... + 3412770.

Almost surely, 2^454364491920 is an apocalyptic number.

454364491920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

454364491920 is an abundant number, since it is smaller than the sum of its proper divisors (959142781872).

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

454364491920 is a wasteful number, since it uses less digits than its factorization.

454364491920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690000 (or 6689994 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 454364491920 in words is "four hundred fifty-four billion, three hundred sixty-four million, four hundred ninety-one thousand, nine hundred twenty".