438229110402 has 12 divisors (see below), whose sum is σ = 949496405910. Its totient is φ = 146076370128.

The previous prime is 438229110401. The next prime is 438229110463. The reversal of 438229110402 is 204011922834.

438229110402 is a `hidden beast` number, since 43 + 82 + 29 + 110 + 402 = 666.

It can be written as a sum of positive squares in only one way, i.e., 331509941361 + 106719169041 = 575769^2 + 326679^2 .

It is not an unprimeable number, because it can be changed into a prime (438229110401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12173030827 + ... + 12173030862.

Almost surely, 2^438229110402 is an apocalyptic number.

438229110402 is an abundant number, since it is smaller than the sum of its proper divisors (511267295508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

438229110402 is a wasteful number, since it uses less digits than its factorization.

438229110402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24346061697 (or 24346061694 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 438229110402 in words is "four hundred thirty-eight billion, two hundred twenty-nine million, one hundred ten thousand, four hundred two".