455012816 has 20 divisors (see below), whose sum is σ = 883820292. Its totient is φ = 226930176.

The previous prime is 455012797. The next prime is 455012819. The reversal of 455012816 is 618210554.

It can be written as a sum of positive squares in 2 ways, for example, as 179452816 + 275560000 = 13396^2 + 16600^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455012819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29465 + ... + 42168.

Almost surely, 2^455012816 is an apocalyptic number.

It is an amenable number.

455012816 is a deficient number, since it is larger than the sum of its proper divisors (428807476).

455012816 is a wasteful number, since it uses less digits than its factorization.

455012816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72038 (or 72032 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 455012816 is about 21331.0294172597. The cubic root of 455012816 is about 769.1443894676.

The spelling of 455012816 in words is "four hundred fifty-five million, twelve thousand, eight hundred sixteen".