573520640 has 324 divisors, whose sum is σ = 1804009872. Its totient is φ = 170987520.

The previous prime is 573520639. The next prime is 573520691. The reversal of 573520640 is 46025375.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 573520597 and 573520606.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24935669 + ... + 24935691.

Almost surely, 2^573520640 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 573520640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902004936).

573520640 is an abundant number, since it is smaller than the sum of its proper divisors (1230489232).

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

573520640 is a wasteful number, since it uses less digits than its factorization.

573520640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 573520640 is about 23948.2909619872. The cubic root of 573520640 is about 830.8379981766.

The spelling of 573520640 in words is "five hundred seventy-three million, five hundred twenty thousand, six hundred forty".