573526980 has 240 divisors, whose sum is σ = 1962831024. Its totient is φ = 139345920.

The previous prime is 573526979. The next prime is 573527033. The reversal of 573526980 is 89625375.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 113167044 + 460359936 = 10638^2 + 21456^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2379660 + ... + 2379900.

Almost surely, 2^573526980 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 573526980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (981415512).

573526980 is an abundant number, since it is smaller than the sum of its proper divisors (1389304044).

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

573526980 is a wasteful number, since it uses less digits than its factorization.

573526980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 573526980 is about 23948.4233301485. The cubic root of 573526980 is about 830.8410596726.

The spelling of 573526980 in words is "five hundred seventy-three million, five hundred twenty-six thousand, nine hundred eighty".