42246279 has 36 divisors (see below), whose sum is σ = 65186784. Its totient is φ = 27363744.

The previous prime is 42246271. The next prime is 42246299. The reversal of 42246279 is 97264224.

42246279 is a `hidden beast` number, since 4 + 2 + 24 + 627 + 9 = 666.

It is not a de Polignac number, because 42246279 - 2³ = 42246271 is a prime.

It is a nialpdrome in base 3 and base 9.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42246271) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 308299 + ... + 308435.

It is an arithmetic number, because the mean of its divisors is an integer number (1810744).

Almost surely, 2^42246279 is an apocalyptic number.

42246279 is a deficient number, since it is larger than the sum of its proper divisors (22940505).

42246279 is an frugal number, since it uses more digits than its factorization.

42246279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 187 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 42246279 is about 6499.7137629283. The cubic root of 42246279 is about 348.2807633147.

The spelling of 42246279 in words is "forty-two million, two hundred forty-six thousand, two hundred seventy-nine".