383903863072 has 24 divisors (see below), whose sum is σ = 768201074172. Its totient is φ = 188805177600.

The previous prime is 383903863051. The next prime is 383903863157. The reversal of 383903863072 is 270368309383.

It can be written as a sum of positive squares in 2 ways, for example, as 377000912016 + 6902951056 = 614004^2 + 83084^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98334079 + ... + 98337982.

Almost surely, 2^383903863072 is an apocalyptic number.

383903863072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

383903863072 is an abundant number, since it is smaller than the sum of its proper divisors (384297211100).

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

383903863072 is a wasteful number, since it uses less digits than its factorization.

383903863072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196672132 (or 196672124 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 383903863072 in words is "three hundred eighty-three billion, nine hundred three million, eight hundred sixty-three thousand, seventy-two".