578032240 has 20 divisors (see below), whose sum is σ = 1343925144. Its totient is φ = 231212864.

The previous prime is 578032223. The next prime is 578032289. The reversal of 578032240 is 42230875.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3612622 + ... + 3612781.

Almost surely, 2^578032240 is an apocalyptic number.

It is an amenable number.

578032240 is an abundant number, since it is smaller than the sum of its proper divisors (765892904).

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

578032240 is a wasteful number, since it uses less digits than its factorization.

578032240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7225416 (or 7225410 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 578032240 is about 24042.3010545996. The cubic root of 578032240 is about 833.0109060204.

The spelling of 578032240 in words is "five hundred seventy-eight million, thirty-two thousand, two hundred forty".