42412239 has 12 divisors (see below), whose sum is σ = 63375000. Its totient is φ = 27299664.

The previous prime is 42412231. The next prime is 42412241. The reversal of 42412239 is 93221424.

42412239 is a `hidden beast` number, since 424 + 1 + 2 + 239 = 666.

42412239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42412239 - 2³ = 42412231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42412231) 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 11 ways as a sum of consecutive naturals, for example, 80989 + ... + 81510.

It is an arithmetic number, because the mean of its divisors is an integer number (5281250).

Almost surely, 2^42412239 is an apocalyptic number.

42412239 is a deficient number, since it is larger than the sum of its proper divisors (20962761).

42412239 is a wasteful number, since it uses less digits than its factorization.

42412239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162534 (or 162531 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 42412239 is about 6512.4679653723. The cubic root of 42412239 is about 348.7362286927.

The spelling of 42412239 in words is "forty-two million, four hundred twelve thousand, two hundred thirty-nine".