384020218900 has 36 divisors (see below), whose sum is σ = 833373083452. Its totient is φ = 153599016960.

The previous prime is 384020218889. The next prime is 384020218919. The reversal of 384020218900 is 9812020483.

It can be written as a sum of positive squares in 6 ways, for example, as 28656395524 + 355363823376 = 169282^2 + 596124^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 384020218900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1739134 + ... + 1947466.

Almost surely, 2^384020218900 is an apocalyptic number.

It is an amenable number.

384020218900 is an abundant number, since it is smaller than the sum of its proper divisors (449352864552).

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

384020218900 is a wasteful number, since it uses less digits than its factorization.

384020218900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226780 (or 226773 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 384020218900 in words is "three hundred eighty-four billion, twenty million, two hundred eighteen thousand, nine hundred".