438013716752 has 10 divisors (see below), whose sum is σ = 848651576238. Its totient is φ = 219006858368.

The previous prime is 438013716619. The next prime is 438013716761. The reversal of 438013716752 is 257617310834.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 437587542016 + 426174736 = 661504^2 + 20644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 438013716697 and 438013716706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13687928633 + ... + 13687928664.

Almost surely, 2^438013716752 is an apocalyptic number.

It is an amenable number.

438013716752 is a deficient number, since it is larger than the sum of its proper divisors (410637859486).

438013716752 is a wasteful number, since it uses less digits than its factorization.

438013716752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27375857305 (or 27375857299 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 438013716752 in words is "four hundred thirty-eight billion, thirteen million, seven hundred sixteen thousand, seven hundred fifty-two".