455680380 has 24 divisors (see below), whose sum is σ = 1275905232. Its totient is φ = 121514752.

The previous prime is 455680373. The next prime is 455680391. The reversal of 455680380 is 83086554.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3797277 + ... + 3797396.

It is an arithmetic number, because the mean of its divisors is an integer number (53162718).

Almost surely, 2^455680380 is an apocalyptic number.

It is an amenable number.

455680380 is an abundant number, since it is smaller than the sum of its proper divisors (820224852).

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

455680380 is a wasteful number, since it uses less digits than its factorization.

455680380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7594685 (or 7594683 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 455680380 is about 21346.6714032891. The cubic root of 455680380 is about 769.5203511918.

The spelling of 455680380 in words is "four hundred fifty-five million, six hundred eighty thousand, three hundred eighty".