455689320 has 64 divisors (see below), whose sum is σ = 1375513920. Its totient is φ = 120766464.

The previous prime is 455689319. The next prime is 455689343. The reversal of 455689320 is 23986554.

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, 7912 + ... + 31208.

It is an arithmetic number, because the mean of its divisors is an integer number (21492405).

Almost surely, 2^455689320 is an apocalyptic number.

455689320 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 455689320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687756960).

455689320 is an abundant number, since it is smaller than the sum of its proper divisors (919824600).

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

455689320 is a wasteful number, since it uses less digits than its factorization.

455689320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23474 (or 23470 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 455689320 is about 21346.8808025903. The cubic root of 455689320 is about 769.5253835692.

The spelling of 455689320 in words is "four hundred fifty-five million, six hundred eighty-nine thousand, three hundred twenty".