474445439 has 4 divisors (see below), whose sum is σ = 510941256. Its totient is φ = 437949624.

The previous prime is 474445429. The next prime is 474445441. The reversal of 474445439 is 934544474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934544474 = 2 ⋅467272237.

It is a cyclic number.

It is not a de Polignac number, because 474445439 - 2¹⁶ = 474379903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 474445439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474445429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18247889 + ... + 18247914.

It is an arithmetic number, because the mean of its divisors is an integer number (127735314).

Almost surely, 2^474445439 is an apocalyptic number.

474445439 is a deficient number, since it is larger than the sum of its proper divisors (36495817).

474445439 is a wasteful number, since it uses less digits than its factorization.

474445439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36495816.

The product of its digits is 967680, while the sum is 44.

The square root of 474445439 is about 21781.7685002848. The cubic root of 474445439 is about 779.9416124386.

The spelling of 474445439 in words is "four hundred seventy-four million, four hundred forty-five thousand, four hundred thirty-nine".