438498982994 has 16 divisors (see below), whose sum is σ = 690012976320. Its totient is φ = 208707624720.

The previous prime is 438498982951. The next prime is 438498982997. The reversal of 438498982994 is 499289894834.

It is not an unprimeable number, because it can be changed into a prime (438498982997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53237624 + ... + 53245859.

It is an arithmetic number, because the mean of its divisors is an integer number (43125811020).

Almost surely, 2^438498982994 is an apocalyptic number.

438498982994 is a deficient number, since it is larger than the sum of its proper divisors (251513993326).

438498982994 is a wasteful number, since it uses less digits than its factorization.

438498982994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106483585.

The product of its digits is 1289945088, while the sum is 77.

The spelling of 438498982994 in words is "four hundred thirty-eight billion, four hundred ninety-eight million, nine hundred eighty-two thousand, nine hundred ninety-four".