42446205 has 12 divisors (see below), whose sum is σ = 73573500. Its totient is φ = 22637952.

The previous prime is 42446191. The next prime is 42446207. The reversal of 42446205 is 50264424.

It can be written as a sum of positive squares in 2 ways, for example, as 4955076 + 37491129 = 2226^2 + 6123^2 .

It is not a de Polignac number, because 42446205 - 2⁴ = 42446189 is a prime.

It is a Curzon number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42446207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471580 + ... + 471669.

It is an arithmetic number, because the mean of its divisors is an integer number (6131125).

Almost surely, 2^42446205 is an apocalyptic number.

42446205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42446205 is a deficient number, since it is larger than the sum of its proper divisors (31127295).

42446205 is a wasteful number, since it uses less digits than its factorization.

42446205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943260 (or 943257 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 42446205 is about 6515.0752106173. The cubic root of 42446205 is about 348.8292994222.

The spelling of 42446205 in words is "forty-two million, four hundred forty-six thousand, two hundred five".