384411621204 has 144 divisors (see below), whose sum is σ = 1132395368832. Its totient is φ = 113137782912.

The previous prime is 384411621203. The next prime is 384411621233. The reversal of 384411621204 is 402126114483.

384411621204 is a `hidden beast` number, since 3 + 8 + 4 + 4 + 1 + 1 + 621 + 20 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384411621203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 370719 + ... + 951974.

It is an arithmetic number, because the mean of its divisors is an integer number (7863856728).

Almost surely, 2^384411621204 is an apocalyptic number.

It is an amenable number.

384411621204 is an abundant number, since it is smaller than the sum of its proper divisors (747983747628).

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

384411621204 is a wasteful number, since it uses less digits than its factorization.

384411621204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322748 (or 1322734 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

Adding to 384411621204 its reverse (402126114483), we get a palindrome (786537735687).

The spelling of 384411621204 in words is "three hundred eighty-four billion, four hundred eleven million, six hundred twenty-one thousand, two hundred four".