42271588 has 12 divisors (see below), whose sum is σ = 78326892. Its totient is φ = 19892480.

The previous prime is 42271583. The next prime is 42271601. The reversal of 42271588 is 88517224.

It can be written as a sum of positive squares in 2 ways, for example, as 24226084 + 18045504 = 4922^2 + 4248^2 .

It is not an unprimeable number, because it can be changed into a prime (42271583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310753 + ... + 310888.

It is an arithmetic number, because the mean of its divisors is an integer number (6527241).

Almost surely, 2^42271588 is an apocalyptic number.

It is an amenable number.

42271588 is a deficient number, since it is larger than the sum of its proper divisors (36055304).

42271588 is a wasteful number, since it uses less digits than its factorization.

42271588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621662 (or 621660 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 42271588 is about 6501.6604033124. The cubic root of 42271588 is about 348.3502990498.

It can be divided in two parts, 422 and 71588, that added together give a triangular number (72010 = T₃₇₉).

The spelling of 42271588 in words is "forty-two million, two hundred seventy-one thousand, five hundred eighty-eight".