578306540 has 48 divisors (see below), whose sum is σ = 1393422912. Its totient is φ = 197492736.

The previous prime is 578306539. The next prime is 578306543. The reversal of 578306540 is 45603875.

It is a junction number, because it is equal to n+sod(n) for n = 578306494 and 578306503.

It is not an unprimeable number, because it can be changed into a prime (578306543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27944 + ... + 44016.

It is an arithmetic number, because the mean of its divisors is an integer number (29029644).

Almost surely, 2^578306540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 578306540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696711456).

578306540 is an abundant number, since it is smaller than the sum of its proper divisors (815116372).

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

578306540 is a wasteful number, since it uses less digits than its factorization.

578306540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16346 (or 16344 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 578306540 is about 24048.0049068525. The cubic root of 578306540 is about 833.1426511272.

The spelling of 578306540 in words is "five hundred seventy-eight million, three hundred six thousand, five hundred forty".