304540522040 has 64 divisors (see below), whose sum is σ = 704577182400. Its totient is φ = 118382128128.

The previous prime is 304540522037. The next prime is 304540522057. The reversal of 304540522040 is 40225045403.

It is a super-4 number, since 4×304540522040⁴ (a number of 47 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 304540521994 and 304540522012.

It is a congruent number.

It is an unprimeable number.

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, 1119092 + ... + 1364348.

It is an arithmetic number, because the mean of its divisors is an integer number (11009018475).

Almost surely, 2^304540522040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304540522040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352288591200).

304540522040 is an abundant number, since it is smaller than the sum of its proper divisors (400036660360).

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

304540522040 is a wasteful number, since it uses less digits than its factorization.

304540522040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246144 (or 246140 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 304540522040 its reverse (40225045403), we get a palindrome (344765567443).

The spelling of 304540522040 in words is "three hundred four billion, five hundred forty million, five hundred twenty-two thousand, forty".