572281140 has 48 divisors (see below), whose sum is σ = 1686726720. Its totient is φ = 144576000.

The previous prime is 572281123. The next prime is 572281141. The reversal of 572281140 is 41182275.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 572281098 and 572281107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572281141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249861 + ... + 252140.

It is an arithmetic number, because the mean of its divisors is an integer number (35140140).

Almost surely, 2^572281140 is an apocalyptic number.

It is an amenable number.

572281140 is an abundant number, since it is smaller than the sum of its proper divisors (1114445580).

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

572281140 is a wasteful number, since it uses less digits than its factorization.

572281140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502032 (or 502030 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 572281140 is about 23922.3982911413. The cubic root of 572281140 is about 830.2390273008.

The spelling of 572281140 in words is "five hundred seventy-two million, two hundred eighty-one thousand, one hundred forty".