383938574820 has 48 divisors (see below), whose sum is σ = 1075058127360. Its totient is φ = 102380751616.

The previous prime is 383938574807. The next prime is 383938574863. The reversal of 383938574820 is 28475839383.

It is a Harshad number since it is a multiple of its sum of digits (60).

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 15 ways as a sum of consecutive naturals, for example, 2886541 + ... + 3016619.

It is an arithmetic number, because the mean of its divisors is an integer number (22397044320).

Almost surely, 2^383938574820 is an apocalyptic number.

383938574820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

383938574820 is an abundant number, since it is smaller than the sum of its proper divisors (691119552540).

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

383938574820 is a wasteful number, since it uses less digits than its factorization.

383938574820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179284 (or 179282 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 383938574820 in words is "three hundred eighty-three billion, nine hundred thirty-eight million, five hundred seventy-four thousand, eight hundred twenty".