455280078 has 64 divisors (see below), whose sum is σ = 1046587392. Its totient is φ = 130685280.

The previous prime is 455280037. The next prime is 455280083. The reversal of 455280078 is 870082554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161025 + ... + 163827.

It is an arithmetic number, because the mean of its divisors is an integer number (16352928).

Almost surely, 2^455280078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455280078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523293696).

455280078 is an abundant number, since it is smaller than the sum of its proper divisors (591307314).

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

455280078 is a wasteful number, since it uses less digits than its factorization.

455280078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 455280078 is about 21337.2931272924. The cubic root of 455280078 is about 769.2949514052.

The spelling of 455280078 in words is "four hundred fifty-five million, two hundred eighty thousand, seventy-eight".