383128605552 has 160 divisors (see below), whose sum is σ = 1244172225024. Its totient is φ = 99513807360.

The previous prime is 383128605551. The next prime is 383128605611. The reversal of 383128605552 is 255506821383.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383128605551) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 18868 + ... + 875564.

Almost surely, 2^383128605552 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 383128605552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622086112512).

383128605552 is an abundant number, since it is smaller than the sum of its proper divisors (861043619472).

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

383128605552 is a wasteful number, since it uses less digits than its factorization.

383128605552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856748 (or 856720 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 383128605552 in words is "three hundred eighty-three billion, one hundred twenty-eight million, six hundred five thousand, five hundred fifty-two".