304161632420 has 48 divisors (see below), whose sum is σ = 656085065328. Its totient is φ = 118361548800.

The previous prime is 304161632399. The next prime is 304161632479. The reversal of 304161632420 is 24236161403.

It can be written as a sum of positive squares in 8 ways, for example, as 11378915584 + 292782716836 = 106672^2 + 541094^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7255520 + ... + 7297320.

It is an arithmetic number, because the mean of its divisors is an integer number (13668438861).

Almost surely, 2^304161632420 is an apocalyptic number.

It is an amenable number.

304161632420 is an abundant number, since it is smaller than the sum of its proper divisors (351923432908).

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

304161632420 is a wasteful number, since it uses less digits than its factorization.

304161632420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51680 (or 51678 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 304161632420 its reverse (24236161403), we get a palindrome (328397793823).

The spelling of 304161632420 in words is "three hundred four billion, one hundred sixty-one million, six hundred thirty-two thousand, four hundred twenty".