438477383616 has 28 divisors (see below), whose sum is σ = 1160138077992. Its totient is φ = 146159127808.

The previous prime is 438477383567. The next prime is 438477383647. The reversal of 438477383616 is 616383774834.

It is a super-3 number, since 3×438477383616³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 438477383616.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141867995 + ... + 1141868378.

Almost surely, 2^438477383616 is an apocalyptic number.

It is an amenable number.

438477383616 is an abundant number, since it is smaller than the sum of its proper divisors (721660694376).

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

438477383616 is a wasteful number, since it uses less digits than its factorization.

438477383616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283736388 (or 2283736378 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 60.

The spelling of 438477383616 in words is "four hundred thirty-eight billion, four hundred seventy-seven million, three hundred eighty-three thousand, six hundred sixteen".