578401330 has 32 divisors (see below), whose sum is σ = 1126162800. Its totient is φ = 212620032.

The previous prime is 578401321. The next prime is 578401331. The reversal of 578401330 is 33104875.

It can be written as a sum of positive squares in 8 ways, for example, as 97081609 + 481319721 = 9853^2 + 21939^2 .

It is a junction number, because it is equal to n+sod(n) for n = 578401292 and 578401301.

It is not an unprimeable number, because it can be changed into a prime (578401331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20056 + ... + 39484.

Almost surely, 2^578401330 is an apocalyptic number.

578401330 is a deficient number, since it is larger than the sum of its proper divisors (547761470).

578401330 is a wasteful number, since it uses less digits than its factorization.

578401330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19678.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 578401330 is about 24049.9756756634. The cubic root of 578401330 is about 833.1881686697.

The spelling of 578401330 in words is "five hundred seventy-eight million, four hundred one thousand, three hundred thirty".