42168410 has 24 divisors (see below), whose sum is σ = 80115156. Its totient is φ = 15978240.

The previous prime is 42168403. The next prime is 42168437. The reversal of 42168410 is 1486124.

It can be written as a sum of positive squares in 2 ways, for example, as 41977441 + 190969 = 6479^2 + 437^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42168410.

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 11 ways as a sum of consecutive naturals, for example, 2231 + ... + 9450.

Almost surely, 2^42168410 is an apocalyptic number.

42168410 is a deficient number, since it is larger than the sum of its proper divisors (37946746).

42168410 is a wasteful number, since it uses less digits than its factorization.

42168410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11726 (or 11707 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 42168410 is about 6493.7208132164. The cubic root of 42168410 is about 348.0666461954.

The spelling of 42168410 in words is "forty-two million, one hundred sixty-eight thousand, four hundred ten".