438363067994 has 8 divisors (see below), whose sum is σ = 658213521120. Its totient is φ = 218958560956.

The previous prime is 438363067993. The next prime is 438363067997. The reversal of 438363067994 is 499760363834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×438363067994² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (438363067993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111484064 + ... + 111487995.

It is an arithmetic number, because the mean of its divisors is an integer number (82276690140).

Almost surely, 2^438363067994 is an apocalyptic number.

438363067994 is a deficient number, since it is larger than the sum of its proper divisors (219850453126).

438363067994 is a wasteful number, since it uses less digits than its factorization.

438363067994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222973044.

The product of its (nonzero) digits is 70543872, while the sum is 62.

The spelling of 438363067994 in words is "four hundred thirty-eight billion, three hundred sixty-three million, sixty-seven thousand, nine hundred ninety-four".