384640046484 has 24 divisors (see below), whose sum is σ = 921750022368. Its totient is φ = 124748123040.

The previous prime is 384640046443. The next prime is 384640046489. The reversal of 384640046484 is 484640046483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384640046489) 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 7 ways as a sum of consecutive naturals, for example, 433152762 + ... + 433153649.

It is an arithmetic number, because the mean of its divisors is an integer number (38406250932).

Almost surely, 2^384640046484 is an apocalyptic number.

It is an amenable number.

384640046484 is an abundant number, since it is smaller than the sum of its proper divisors (537109975884).

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

384640046484 is a wasteful number, since it uses less digits than its factorization.

384640046484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866306455 (or 866306453 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 51.

Subtracting 384640046484 from its reverse (484640046483), we obtain a palindrome (99999999999).

The spelling of 384640046484 in words is "three hundred eighty-four billion, six hundred forty million, forty-six thousand, four hundred eighty-four".