42515416 has 16 divisors (see below), whose sum is σ = 79975800. Its totient is φ = 21188544.

The previous prime is 42515411. The next prime is 42515437. The reversal of 42515416 is 61451524.

42515416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42515411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5986 + ... + 10993.

Almost surely, 2^42515416 is an apocalyptic number.

It is an amenable number.

42515416 is a deficient number, since it is larger than the sum of its proper divisors (37460384).

42515416 is a wasteful number, since it uses less digits than its factorization.

42515416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17298 (or 17294 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 42515416 is about 6520.3846512303. The cubic root of 42515416 is about 349.0187919373.

The spelling of 42515416 in words is "forty-two million, five hundred fifteen thousand, four hundred sixteen".