578283520 has 48 divisors (see below), whose sum is σ = 1387566180. Its totient is φ = 231309312.

The previous prime is 578283383. The next prime is 578283521. The reversal of 578283520 is 25382875.

It can be written as a sum of positive squares in 2 ways, for example, as 577537024 + 746496 = 24032^2 + 864^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (578283521) 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, 17997 + ... + 38476.

Almost surely, 2^578283520 is an apocalyptic number.

It is an amenable number.

578283520 is an abundant number, since it is smaller than the sum of its proper divisors (809282660).

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

578283520 is an equidigital number, since it uses as much as digits as its factorization.

578283520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56500 (or 56480 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 578283520 is about 24047.5262761058. The cubic root of 578283520 is about 833.1315963221.

The spelling of 578283520 in words is "five hundred seventy-eight million, two hundred eighty-three thousand, five hundred twenty".