42519464 has 16 divisors (see below), whose sum is σ = 85856820. Its totient is φ = 19624320.

The previous prime is 42519437. The next prime is 42519493. The reversal of 42519464 is 46491524.

It can be written as a sum of positive squares in 2 ways, for example, as 41499364 + 1020100 = 6442^2 + 1010^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 204317 + ... + 204524.

Almost surely, 2^42519464 is an apocalyptic number.

It is an amenable number.

42519464 is an abundant number, since it is smaller than the sum of its proper divisors (43337356).

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

42519464 is a wasteful number, since it uses less digits than its factorization.

42519464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408860 (or 408856 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 42519464 is about 6520.6950549769. The cubic root of 42519464 is about 349.0298685723.

The spelling of 42519464 in words is "forty-two million, five hundred nineteen thousand, four hundred sixty-four".