457878280 has 16 divisors (see below), whose sum is σ = 1030226220. Its totient is φ = 183151296.

The previous prime is 457878271. The next prime is 457878301. The reversal of 457878280 is 82878754.

It can be written as a sum of positive squares in 2 ways, for example, as 431725284 + 26152996 = 20778^2 + 5114^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5723439 + ... + 5723518.

Almost surely, 2^457878280 is an apocalyptic number.

457878280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

457878280 is an abundant number, since it is smaller than the sum of its proper divisors (572347940).

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

457878280 is a wasteful number, since it uses less digits than its factorization.

457878280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11446968 (or 11446964 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 49.

The square root of 457878280 is about 21398.0905690204. The cubic root of 457878280 is about 770.7555859707.

The spelling of 457878280 in words is "four hundred fifty-seven million, eight hundred seventy-eight thousand, two hundred eighty".