572831240 has 64 divisors (see below), whose sum is σ = 1315604160. Its totient is φ = 224421120.

The previous prime is 572831227. The next prime is 572831243. The reversal of 572831240 is 42138275.

It is a junction number, because it is equal to n+sod(n) for n = 572831197 and 572831206.

It is not an unprimeable number, because it can be changed into a prime (572831243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564974 + ... + 565986.

It is an arithmetic number, because the mean of its divisors is an integer number (20556315).

Almost surely, 2^572831240 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 572831240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657802080).

572831240 is an abundant number, since it is smaller than the sum of its proper divisors (742772920).

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

572831240 is a wasteful number, since it uses less digits than its factorization.

572831240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 572831240 is about 23933.8931225156. The cubic root of 572831240 is about 830.5049619948.

The spelling of 572831240 in words is "five hundred seventy-two million, eight hundred thirty-one thousand, two hundred forty".