570640238 has 32 divisors (see below), whose sum is σ = 996745728. Its totient is φ = 239954400.

The previous prime is 570640211. The next prime is 570640249. The reversal of 570640238 is 832046075.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 570640198 and 570640207.

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 15 ways as a sum of consecutive naturals, for example, 589631 + ... + 590597.

It is an arithmetic number, because the mean of its divisors is an integer number (31148304).

Almost surely, 2^570640238 is an apocalyptic number.

570640238 is a deficient number, since it is larger than the sum of its proper divisors (426105490).

570640238 is a wasteful number, since it uses less digits than its factorization.

570640238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 570640238 is about 23888.0773190309. The cubic root of 570640238 is about 829.4447527485. Note that the first 3 decimals are identical.

The spelling of 570640238 in words is "five hundred seventy million, six hundred forty thousand, two hundred thirty-eight".