304432087421 has 16 divisors (see below), whose sum is σ = 379579046400. Its totient is φ = 237202712880.

The previous prime is 304432087373. The next prime is 304432087429. The reversal of 304432087421 is 124780234403.

It is a happy number.

It is not a de Polignac number, because 304432087421 - 2⁶ = 304432087357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304432087429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991130 + ... + 1261428.

It is an arithmetic number, because the mean of its divisors is an integer number (23723690400).

Almost surely, 2^304432087421 is an apocalyptic number.

It is an amenable number.

304432087421 is a deficient number, since it is larger than the sum of its proper divisors (75146958979).

304432087421 is a wasteful number, since it uses less digits than its factorization.

304432087421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284944.

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 304432087421 in words is "three hundred four billion, four hundred thirty-two million, eighty-seven thousand, four hundred twenty-one".