383000648550 has 96 divisors (see below), whose sum is σ = 1025485010592. Its totient is φ = 94039418880.

The previous prime is 383000648531. The next prime is 383000648573. The reversal of 383000648550 is 55846000383.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 526782 + ... + 1021518.

It is an arithmetic number, because the mean of its divisors is an integer number (10682135527).

Almost surely, 2^383000648550 is an apocalyptic number.

383000648550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 383000648550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512742505296).

383000648550 is an abundant number, since it is smaller than the sum of its proper divisors (642484362042).

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

383000648550 is a wasteful number, since it uses less digits than its factorization.

383000648550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495162 (or 495157 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 383000648550 in words is "three hundred eighty-three billion, six hundred forty-eight thousand, five hundred fifty".