578403840 has 480 divisors, whose sum is σ = 2267131680. Its totient is φ = 125239296.

The previous prime is 578403829. The next prime is 578403887. The reversal of 578403840 is 48304875.

It is a tau number, because it is divible by the number of its divisors (480).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 10913254 + ... + 10913306.

It is an arithmetic number, because the mean of its divisors is an integer number (4723191).

Almost surely, 2^578403840 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 578403840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1133565840).

578403840 is an abundant number, since it is smaller than the sum of its proper divisors (1688727840).

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

578403840 is a wasteful number, since it uses less digits than its factorization.

578403840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 578403840 is about 24050.0278586117. The cubic root of 578403840 is about 833.1893738878.

The spelling of 578403840 in words is "five hundred seventy-eight million, four hundred three thousand, eight hundred forty".