42415615 has 16 divisors (see below), whose sum is σ = 55658016. Its totient is φ = 30774400.

The previous prime is 42415601. The next prime is 42415627. The reversal of 42415615 is 51651424.

It is not a de Polignac number, because 42415615 - 2¹⁹ = 41891327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35325 + ... + 36505.

It is an arithmetic number, because the mean of its divisors is an integer number (3478626).

Almost surely, 2^42415615 is an apocalyptic number.

42415615 is a deficient number, since it is larger than the sum of its proper divisors (13242401).

42415615 is a wasteful number, since it uses less digits than its factorization.

42415615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850.

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

The square root of 42415615 is about 6512.7271553474. The cubic root of 42415615 is about 348.7454815428.

The spelling of 42415615 in words is "forty-two million, four hundred fifteen thousand, six hundred fifteen".