438963693216 has 48 divisors (see below), whose sum is σ = 1189450015488. Its totient is φ = 141601190400.

The previous prime is 438963693211. The next prime is 438963693239. The reversal of 438963693216 is 612396369834.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 438963693216.

It is not an unprimeable number, because it can be changed into a prime (438963693211) 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, 73747645 + ... + 73753596.

It is an arithmetic number, because the mean of its divisors is an integer number (24780208656).

Almost surely, 2^438963693216 is an apocalyptic number.

It is an amenable number.

438963693216 is an abundant number, since it is smaller than the sum of its proper divisors (750486322272).

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

438963693216 is a wasteful number, since it uses less digits than its factorization.

438963693216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147501285 (or 147501277 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 60.

The spelling of 438963693216 in words is "four hundred thirty-eight billion, nine hundred sixty-three million, six hundred ninety-three thousand, two hundred sixteen".