42271508 has 12 divisors (see below), whose sum is σ = 74654580. Its totient is φ = 20941632.

The previous prime is 42271457. The next prime is 42271511. The reversal of 42271508 is 80517224.

It can be written as a sum of positive squares in 2 ways, for example, as 33965584 + 8305924 = 5828^2 + 2882^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48041 + ... + 48912.

It is an arithmetic number, because the mean of its divisors is an integer number (6221215).

Almost surely, 2^42271508 is an apocalyptic number.

It is an amenable number.

42271508 is a deficient number, since it is larger than the sum of its proper divisors (32383072).

42271508 is a wasteful number, since it uses less digits than its factorization.

42271508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97066 (or 97064 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 42271508 is about 6501.6542510349. The cubic root of 42271508 is about 348.3500792959.

The spelling of 42271508 in words is "forty-two million, two hundred seventy-one thousand, five hundred eight".