305040404520152 has 64 divisors (see below), whose sum is σ = 664560274824000. Its totient is φ = 128568523046400.

The previous prime is 305040404520121. The next prime is 305040404520199. The reversal of 305040404520152 is 251025404040503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180137723 + ... + 181823210.

It is an arithmetic number, because the mean of its divisors is an integer number (10383754294125).

Almost surely, 2^{305040404520152} is an apocalyptic number.

It is an amenable number.

305040404520152 is an abundant number, since it is smaller than the sum of its proper divisors (359519870303848).

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

305040404520152 is a wasteful number, since it uses less digits than its factorization.

305040404520152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361961196 (or 361961192 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 305040404520152 its reverse (251025404040503), we get a palindrome (556065808560655).

The spelling of 305040404520152 in words is "three hundred five trillion, forty billion, four hundred four million, five hundred twenty thousand, one hundred fifty-two".