42168441 has 16 divisors (see below), whose sum is σ = 64589184. Its totient is φ = 23971584.

The previous prime is 42168437. The next prime is 42168457. The reversal of 42168441 is 14486124.

It is not a de Polignac number, because 42168441 - 2² = 42168437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42168399 and 42168408.

It is not an unprimeable number, because it can be changed into a prime (42168461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960 + ... + 9233.

It is an arithmetic number, because the mean of its divisors is an integer number (4036824).

Almost surely, 2^42168441 is an apocalyptic number.

It is an amenable number.

42168441 is a deficient number, since it is larger than the sum of its proper divisors (22420743).

42168441 is a wasteful number, since it uses less digits than its factorization.

42168441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10400.

The product of its digits is 6144, while the sum is 30.

The square root of 42168441 is about 6493.7232001372. The cubic root of 42168441 is about 348.0667314888.

The spelling of 42168441 in words is "forty-two million, one hundred sixty-eight thousand, four hundred forty-one".