572278140 has 144 divisors (see below), whose sum is σ = 2100676032. Its totient is φ = 123107328.

The previous prime is 572278139. The next prime is 572278159. The reversal of 572278140 is 41872275.

572278140 is a `hidden beast` number, since 572 + 2 + 7 + 81 + 4 + 0 = 666.

572278140 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 572278095 and 572278104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8062 + ... + 34778.

It is an arithmetic number, because the mean of its divisors is an integer number (14588028).

Almost surely, 2^572278140 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 572278140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1050338016).

572278140 is an abundant number, since it is smaller than the sum of its proper divisors (1528397892).

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

572278140 is a wasteful number, since it uses less digits than its factorization.

572278140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26756 (or 26751 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 572278140 is about 23922.3355883158. The cubic root of 572278140 is about 830.2375765445.

The spelling of 572278140 in words is "five hundred seventy-two million, two hundred seventy-eight thousand, one hundred forty".