384520740478 has 8 divisors (see below), whose sum is σ = 659178412272. Its totient is φ = 164794603056.

The previous prime is 384520740371. The next prime is 384520740563. The reversal of 384520740478 is 874047025483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13732883575 + ... + 13732883602.

It is an arithmetic number, because the mean of its divisors is an integer number (82397301534).

Almost surely, 2^384520740478 is an apocalyptic number.

384520740478 is a deficient number, since it is larger than the sum of its proper divisors (274657671794).

384520740478 is a wasteful number, since it uses less digits than its factorization.

384520740478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27465767186.

The product of its (nonzero) digits is 6021120, while the sum is 52.

The spelling of 384520740478 in words is "three hundred eighty-four billion, five hundred twenty million, seven hundred forty thousand, four hundred seventy-eight".