424439844 has 12 divisors (see below), whose sum is σ = 990359664. Its totient is φ = 141479944.

The previous prime is 424439819. The next prime is 424439957. The reversal of 424439844 is 448934424.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 424439796 and 424439805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17684982 + ... + 17685005.

It is an arithmetic number, because the mean of its divisors is an integer number (82529972).

Almost surely, 2^424439844 is an apocalyptic number.

It is an amenable number.

424439844 is an abundant number, since it is smaller than the sum of its proper divisors (565919820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424439844 is a wasteful number, since it uses less digits than its factorization.

424439844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35369994 (or 35369992 counting only the distinct ones).

The product of its digits is 442368, while the sum is 42.

The square root of 424439844 is about 20601.9378700160. The cubic root of 424439844 is about 751.5168377584.

The spelling of 424439844 in words is "four hundred twenty-four million, four hundred thirty-nine thousand, eight hundred forty-four".