438315790058 has 4 divisors (see below), whose sum is σ = 657473685090. Its totient is φ = 219157895028.

The previous prime is 438315790057. The next prime is 438315790063. The reversal of 438315790058 is 850097513834.

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., 281560768129 + 156755021929 = 530623^2 + 395923^2 .

It is a junction number, because it is equal to n+sod(n) for n = 438315789991 and 438315790009.

It is not an unprimeable number, because it can be changed into a prime (438315790057) 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 as a sum of consecutive naturals, namely, 109578947513 + ... + 109578947516.

Almost surely, 2^438315790058 is an apocalyptic number.

438315790058 is a deficient number, since it is larger than the sum of its proper divisors (219157895032).

438315790058 is a wasteful number, since it uses less digits than its factorization.

438315790058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219157895031.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 438315790058 in words is "four hundred thirty-eight billion, three hundred fifteen million, seven hundred ninety thousand, fifty-eight".