438463982248 has 16 divisors (see below), whose sum is σ = 822576473460. Its totient is φ = 219110256000.

The previous prime is 438463982239. The next prime is 438463982249. The reversal of 438463982248 is 842289364834.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 435069521604 + 3394460644 = 659598^2 + 58262^2 .

It is not an unprimeable number, because it can be changed into a prime (438463982249) 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, 15201583 + ... + 15230398.

Almost surely, 2^438463982248 is an apocalyptic number.

It is an amenable number.

438463982248 is a deficient number, since it is larger than the sum of its proper divisors (384112491212).

438463982248 is a wasteful number, since it uses less digits than its factorization.

438463982248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30433788 (or 30433784 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 61.

The spelling of 438463982248 in words is "four hundred thirty-eight billion, four hundred sixty-three million, nine hundred eighty-two thousand, two hundred forty-eight".