42165476 has 12 divisors (see below), whose sum is σ = 74078508. Its totient is φ = 21000192.

The previous prime is 42165467. The next prime is 42165517. The reversal of 42165476 is 67456124.

It can be written as a sum of positive squares in 2 ways, for example, as 38068900 + 4096576 = 6170^2 + 2024^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19481 + ... + 21536.

It is an arithmetic number, because the mean of its divisors is an integer number (6173209).

Almost surely, 2^42165476 is an apocalyptic number.

It is an amenable number.

42165476 is a deficient number, since it is larger than the sum of its proper divisors (31913032).

42165476 is a wasteful number, since it uses less digits than its factorization.

42165476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41278 (or 41276 counting only the distinct ones).

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

The square root of 42165476 is about 6493.4948987429. The cubic root of 42165476 is about 348.0585733970.

The spelling of 42165476 in words is "forty-two million, one hundred sixty-five thousand, four hundred seventy-six".