42519588 has 12 divisors (see below), whose sum is σ = 99212400. Its totient is φ = 14173192.

The previous prime is 42519577. The next prime is 42519593. The reversal of 42519588 is 88591524.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1771638 + ... + 1771661.

It is an arithmetic number, because the mean of its divisors is an integer number (8267700).

Almost surely, 2^42519588 is an apocalyptic number.

It is an amenable number.

42519588 is an abundant number, since it is smaller than the sum of its proper divisors (56692812).

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

42519588 is a wasteful number, since it uses less digits than its factorization.

42519588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543306 (or 3543304 counting only the distinct ones).

The product of its digits is 115200, while the sum is 42.

The square root of 42519588 is about 6520.7045631588. The cubic root of 42519588 is about 349.0302078652.

The spelling of 42519588 in words is "forty-two million, five hundred nineteen thousand, five hundred eighty-eight".