438122068 has 6 divisors (see below), whose sum is σ = 766713626. Its totient is φ = 219061032.

The previous prime is 438122017. The next prime is 438122149. The reversal of 438122068 is 860221834.

It can be written as a sum of positive squares in only one way, i.e., 431475984 + 6646084 = 20772^2 + 2578^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54765255 + ... + 54765262.

Almost surely, 2^438122068 is an apocalyptic number.

It is an amenable number.

438122068 is a deficient number, since it is larger than the sum of its proper divisors (328591558).

438122068 is a wasteful number, since it uses less digits than its factorization.

438122068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109530521 (or 109530519 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 438122068 is about 20931.3656506211. The cubic root of 438122068 is about 759.5068753971.

The spelling of 438122068 in words is "four hundred thirty-eight million, one hundred twenty-two thousand, sixty-eight".