578115240 has 32 divisors (see below), whose sum is σ = 1734346080. Its totient is φ = 154164032.

The previous prime is 578115233. The next prime is 578115257. The reversal of 578115240 is 42511875.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2408694 + ... + 2408933.

It is an arithmetic number, because the mean of its divisors is an integer number (54198315).

Almost surely, 2^578115240 is an apocalyptic number.

It is an amenable number.

578115240 is an abundant number, since it is smaller than the sum of its proper divisors (1156230840).

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

578115240 is a wasteful number, since it uses less digits than its factorization.

578115240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4817641 (or 4817637 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 578115240 is about 24044.0271169370. The cubic root of 578115240 is about 833.0507749593.

The spelling of 578115240 in words is "five hundred seventy-eight million, one hundred fifteen thousand, two hundred forty".