384733779560 has 96 divisors (see below), whose sum is σ = 940678647840. Its totient is φ = 141552882432.

The previous prime is 384733779527. The next prime is 384733779581. The reversal of 384733779560 is 65977337483.

It is a super-2 number, since 2×384733779560² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 384733779493 and 384733779502.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1812527 + ... + 2013633.

It is an arithmetic number, because the mean of its divisors is an integer number (9798735915).

Almost surely, 2^384733779560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 384733779560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470339323920).

384733779560 is an abundant number, since it is smaller than the sum of its proper divisors (555944868280).

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

384733779560 is a wasteful number, since it uses less digits than its factorization.

384733779560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201427 (or 201410 counting only the distinct ones).

The product of its (nonzero) digits is 80015040, while the sum is 62.

The spelling of 384733779560 in words is "three hundred eighty-four billion, seven hundred thirty-three million, seven hundred seventy-nine thousand, five hundred sixty".