42419871 has 48 divisors (see below), whose sum is σ = 69713280. Its totient is φ = 24675840.

The previous prime is 42419869. The next prime is 42419891. The reversal of 42419871 is 17891424.

It is not a de Polignac number, because 42419871 - 2¹ = 42419869 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (16128) is a multiple of the sum of its prime factors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42419821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177370 + ... + 177608.

It is an arithmetic number, because the mean of its divisors is an integer number (1452360).

Almost surely, 2^42419871 is an apocalyptic number.

42419871 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42419871 is a deficient number, since it is larger than the sum of its proper divisors (27293409).

42419871 is a wasteful number, since it uses less digits than its factorization.

42419871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 333 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 42419871 is about 6513.0538919926. The cubic root of 42419871 is about 348.7571455737.

The spelling of 42419871 in words is "forty-two million, four hundred nineteen thousand, eight hundred seventy-one".