384553644656 has 90 divisors (see below), whose sum is σ = 765489385752. Its totient is φ = 187145621120.

The previous prime is 384553644647. The next prime is 384553644719. The reversal of 384553644656 is 656446355483.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a junction number, because it is equal to n+sod(n) for n = 384553644595 and 384553644604.

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 17 ways as a sum of consecutive naturals, for example, 1236506741 + ... + 1236507051.

Almost surely, 2^384553644656 is an apocalyptic number.

It is an amenable number.

384553644656 is a deficient number, since it is larger than the sum of its proper divisors (380935741096).

384553644656 is an equidigital number, since it uses as much as digits as its factorization.

384553644656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735 (or 521 counting only the distinct ones).

The product of its digits is 124416000, while the sum is 59.

The spelling of 384553644656 in words is "three hundred eighty-four billion, five hundred fifty-three million, six hundred forty-four thousand, six hundred fifty-six".