304021134404032 has 112 divisors (see below), whose sum is σ = 635022102177792. Its totient is φ = 144213321507840.

The previous prime is 304021134404023. The next prime is 304021134404033. The reversal of 304021134404032 is 230404431120403.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 304021134403985 and 304021134404003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304021134404033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127418863 + ... + 129782929.

It is an arithmetic number, because the mean of its divisors is an integer number (5669840198016).

Almost surely, 2^{304021134404032} is an apocalyptic number.

304021134404032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304021134404032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317511051088896).

304021134404032 is an abundant number, since it is smaller than the sum of its proper divisors (331000967773760).

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

304021134404032 is a wasteful number, since it uses less digits than its factorization.

304021134404032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365386 (or 2365376 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 304021134404032 its reverse (230404431120403), we get a palindrome (534425565524435).

The spelling of 304021134404032 in words is "three hundred four trillion, twenty-one billion, one hundred thirty-four million, four hundred four thousand, thirty-two".