571089480 has 128 divisors (see below), whose sum is σ = 1884556800. Its totient is φ = 137567232.

The previous prime is 571089437. The next prime is 571089481. The reversal of 571089480 is 84980175.

It is a super-2 number, since 2×571089480² = 652286388333340800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (571089481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69426 + ... + 77214.

It is an arithmetic number, because the mean of its divisors is an integer number (14723100).

Almost surely, 2^571089480 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 571089480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942278400).

571089480 is an abundant number, since it is smaller than the sum of its proper divisors (1313467320).

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

571089480 is a wasteful number, since it uses less digits than its factorization.

571089480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863 (or 7859 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 571089480 is about 23897.4785280791. The cubic root of 571089480 is about 829.6623584332.

The spelling of 571089480 in words is "five hundred seventy-one million, eighty-nine thousand, four hundred eighty".