305073312152 has 64 divisors (see below), whose sum is σ = 657399767040. Its totient is φ = 130011984000.

The previous prime is 305073312149. The next prime is 305073312209. The reversal of 305073312152 is 251213370503.

It is a super-2 number, since 2×305073312152² (a number of 24 digits) contains 22 as substring.

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, 49594277 + ... + 49600427.

It is an arithmetic number, because the mean of its divisors is an integer number (10271871360).

Almost surely, 2^305073312152 is an apocalyptic number.

It is an amenable number.

305073312152 is an abundant number, since it is smaller than the sum of its proper divisors (352326454888).

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

305073312152 is a wasteful number, since it uses less digits than its factorization.

305073312152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10992 (or 10988 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

Adding to 305073312152 its reverse (251213370503), we get a palindrome (556286682655).

The spelling of 305073312152 in words is "three hundred five billion, seventy-three million, three hundred twelve thousand, one hundred fifty-two".