42020419 has 16 divisors (see below), whose sum is σ = 51923200. Its totient is φ = 33195744.

The previous prime is 42020393. The next prime is 42020437. The reversal of 42020419 is 91402024.

It is a cyclic number.

It is not a de Polignac number, because 42020419 - 2⁵ = 42020387 is a prime.

It is a super-2 number, since 2×42020419² = 3531431225871122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42020419.

It is not an unprimeable number, because it can be changed into a prime (42020219) 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, 652 + ... + 9190.

It is an arithmetic number, because the mean of its divisors is an integer number (3245200).

Almost surely, 2^42020419 is an apocalyptic number.

42020419 is a deficient number, since it is larger than the sum of its proper divisors (9902781).

42020419 is a wasteful number, since it uses less digits than its factorization.

42020419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8602.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 42020419 is about 6482.3158670339. The cubic root of 42020419 is about 347.6589863053.

The spelling of 42020419 in words is "forty-two million, twenty thousand, four hundred nineteen".