438782044 has 12 divisors (see below), whose sum is σ = 769049064. Its totient is φ = 219053744.

The previous prime is 438782027. The next prime is 438782131. The reversal of 438782044 is 440287834.

It is a junction number, because it is equal to n+sod(n) for n = 438781988 and 438782006.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 81382 + ... + 86605.

It is an arithmetic number, because the mean of its divisors is an integer number (64087422).

Almost surely, 2^438782044 is an apocalyptic number.

It is an amenable number.

438782044 is a deficient number, since it is larger than the sum of its proper divisors (330267020).

438782044 is a wasteful number, since it uses less digits than its factorization.

438782044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168644 (or 168642 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 40.

The square root of 438782044 is about 20947.1249578552. The cubic root of 438782044 is about 759.8880513777. Note that the first 3 decimals are identical.

The spelling of 438782044 in words is "four hundred thirty-eight million, seven hundred eighty-two thousand, forty-four".