42519852 has 36 divisors (see below), whose sum is σ = 107734536. Its totient is φ = 14139840.

The previous prime is 42519811. The next prime is 42519857. The reversal of 42519852 is 25891524.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42519857) by changing a digit.

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, 17623 + ... + 19889.

It is an arithmetic number, because the mean of its divisors is an integer number (2992626).

Almost surely, 2^42519852 is an apocalyptic number.

It is an amenable number.

42519852 is an abundant number, since it is smaller than the sum of its proper divisors (65214684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42519852 is a wasteful number, since it uses less digits than its factorization.

42519852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798 (or 2793 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 42519852 is about 6520.7248063386. The cubic root of 42519852 is about 349.0309302286.

The spelling of 42519852 in words is "forty-two million, five hundred nineteen thousand, eight hundred fifty-two".