455616980 has 96 divisors (see below), whose sum is σ = 1186725120. Its totient is φ = 143078400.

The previous prime is 455616961. The next prime is 455616989. The reversal of 455616980 is 89616554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455616989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252080 + ... + 253880.

It is an arithmetic number, because the mean of its divisors is an integer number (12361720).

Almost surely, 2^455616980 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 455616980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593362560).

455616980 is an abundant number, since it is smaller than the sum of its proper divisors (731108140).

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

455616980 is a wasteful number, since it uses less digits than its factorization.

455616980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 455616980 is about 21345.1863425926. The cubic root of 455616980 is about 769.4846610786.

The spelling of 455616980 in words is "four hundred fifty-five million, six hundred sixteen thousand, nine hundred eighty".