438911042 has 4 divisors (see below), whose sum is σ = 658366566. Its totient is φ = 219455520.

The previous prime is 438911023. The next prime is 438911059. The reversal of 438911042 is 240119834.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 433430761 + 5480281 = 20819^2 + 2341^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109727759 + ... + 109727762.

Almost surely, 2^438911042 is an apocalyptic number.

438911042 is a deficient number, since it is larger than the sum of its proper divisors (219455524).

438911042 is a wasteful number, since it uses less digits than its factorization.

438911042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219455523.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 438911042 is about 20950.2038653565. The cubic root of 438911042 is about 759.9625108470.

The spelling of 438911042 in words is "four hundred thirty-eight million, nine hundred eleven thousand, forty-two".