571980864 has 224 divisors, whose sum is σ = 1961774080. Its totient is φ = 142829568.

The previous prime is 571980853. The next prime is 571980881. The reversal of 571980864 is 468089175.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331107 + ... + 332829.

It is an arithmetic number, because the mean of its divisors is an integer number (8757920).

Almost surely, 2^571980864 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 571980864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980887040).

571980864 is an abundant number, since it is smaller than the sum of its proper divisors (1389793216).

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

571980864 is a wasteful number, since it uses less digits than its factorization.

571980864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 1767 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 571980864 is about 23916.1214246792. The cubic root of 571980864 is about 830.0937930490.

The spelling of 571980864 in words is "five hundred seventy-one million, nine hundred eighty thousand, eight hundred sixty-four".