572253440 has 144 divisors (see below), whose sum is σ = 1514358720. Its totient is φ = 205455360.

The previous prime is 572253421. The next prime is 572253443. The reversal of 572253440 is 44352275.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 572253397 and 572253406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572253443) 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, 1365551 + ... + 1365969.

It is an arithmetic number, because the mean of its divisors is an integer number (10516380).

Almost surely, 2^572253440 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 572253440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757179360).

572253440 is an abundant number, since it is smaller than the sum of its proper divisors (942105280).

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

572253440 is a wasteful number, since it uses less digits than its factorization.

572253440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 572253440 is about 23921.8193288052. The cubic root of 572253440 is about 830.2256317914.

The spelling of 572253440 in words is "five hundred seventy-two million, two hundred fifty-three thousand, four hundred forty".