438023481064016 has 10 divisors (see below), whose sum is σ = 848670494561562. Its totient is φ = 219011740532000.

The previous prime is 438023481064009. The next prime is 438023481064079. The reversal of 438023481064016 is 610460184320834.

It can be written as a sum of positive squares in only one way, i.e., 251206523454016 + 186816957610000 = 15849496^2 + 13668100^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13688233783235 + ... + 13688233783266.

Almost surely, 2^{438023481064016} is an apocalyptic number.

It is an amenable number.

438023481064016 is a deficient number, since it is larger than the sum of its proper divisors (410647013497546).

438023481064016 is a wasteful number, since it uses less digits than its factorization.

438023481064016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27376467566509 (or 27376467566503 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 50.

The spelling of 438023481064016 in words is "four hundred thirty-eight trillion, twenty-three billion, four hundred eighty-one million, sixty-four thousand, sixteen".