572440 has 32 divisors (see below), whose sum is σ = 1406160. Its totient is φ = 208000.

The previous prime is 572437. The next prime is 572449. The reversal of 572440 is 44275.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211 + ... + 1090.

2⁵⁷²⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

572440 is an abundant number, since it is smaller than the sum of its proper divisors (833720).

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

572440 is a wasteful number, since it uses less digits than its factorization.

572440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 572440 is about 756.5976473662. The cubic root of 572440 is about 83.0315842442.

The spelling of 572440 in words is "five hundred seventy-two thousand, four hundred forty".