572042638 has 8 divisors (see below), whose sum is σ = 859290120. Its totient is φ = 285612600.

The previous prime is 572042609. The next prime is 572042641. The reversal of 572042638 is 836240275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 572042597 and 572042606.

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 3 ways as a sum of consecutive naturals, for example, 202608 + ... + 205411.

It is an arithmetic number, because the mean of its divisors is an integer number (107411265).

Almost surely, 2^572042638 is an apocalyptic number.

572042638 is a deficient number, since it is larger than the sum of its proper divisors (287247482).

572042638 is a wasteful number, since it uses less digits than its factorization.

572042638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408722.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 572042638 is about 23917.4128617625. The cubic root of 572042638 is about 830.1236753820.

The spelling of 572042638 in words is "five hundred seventy-two million, forty-two thousand, six hundred thirty-eight".