454488878320 has 80 divisors (see below), whose sum is σ = 1112448263040. Its totient is φ = 172204676352.

The previous prime is 454488878287. The next prime is 454488878369. The reversal of 454488878320 is 23878884454.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15591279 + ... + 15620401.

It is an arithmetic number, because the mean of its divisors is an integer number (13905603288).

Almost surely, 2^454488878320 is an apocalyptic number.

454488878320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

454488878320 is an abundant number, since it is smaller than the sum of its proper divisors (657959384720).

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

454488878320 is a wasteful number, since it uses less digits than its factorization.

454488878320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39422 (or 39416 counting only the distinct ones).

The product of its (nonzero) digits is 55050240, while the sum is 61.

The spelling of 454488878320 in words is "four hundred fifty-four billion, four hundred eighty-eight million, eight hundred seventy-eight thousand, three hundred twenty".