455855280 has 80 divisors (see below), whose sum is σ = 1431098880. Its totient is φ = 120017664.

The previous prime is 455855273. The next prime is 455855291. The reversal of 455855280 is 82558554.

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

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, 6939 + ... + 30981.

It is an arithmetic number, because the mean of its divisors is an integer number (17888736).

Almost surely, 2^455855280 is an apocalyptic number.

455855280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455855280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715549440).

455855280 is an abundant number, since it is smaller than the sum of its proper divisors (975243600).

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

455855280 is a wasteful number, since it uses less digits than its factorization.

455855280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24138 (or 24132 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 42.

The square root of 455855280 is about 21350.7676676976. The cubic root of 455855280 is about 769.6187914580.

The spelling of 455855280 in words is "four hundred fifty-five million, eight hundred fifty-five thousand, two hundred eighty".