572263380 has 240 divisors, whose sum is σ = 2002104720. Its totient is φ = 135862272.

The previous prime is 572263343. The next prime is 572263381. The reversal of 572263380 is 83362275.

572263380 is a `hidden beast` number, since 57 + 226 + 3 + 380 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 146748996 + 425514384 = 12114^2 + 20628^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572263381) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 610272 + ... + 611208.

It is an arithmetic number, because the mean of its divisors is an integer number (8342103).

Almost surely, 2^572263380 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 572263380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1001052360).

572263380 is an abundant number, since it is smaller than the sum of its proper divisors (1429841340).

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

572263380 is a wasteful number, since it uses less digits than its factorization.

572263380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 572263380 is about 23922.0270880208. The cubic root of 572263380 is about 830.2304387496.

It can be divided in two parts, 57226 and 3380, that added together give a palindrome (60606).

The spelling of 572263380 in words is "five hundred seventy-two million, two hundred sixty-three thousand, three hundred eighty".