305045514050512 has 40 divisors (see below), whose sum is σ = 614940017648040. Its totient is φ = 146412118325760.

The previous prime is 305045514050419. The next prime is 305045514050539. The reversal of 305045514050512 is 215050415540503.

It can be written as a sum of positive squares in 4 ways, for example, as 120143608688016 + 184901905362496 = 10961004^2 + 13597864^2 .

It is a super-2 number, since 2×305045514050512² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1899993939 + ... + 1900154482.

It is an arithmetic number, because the mean of its divisors is an integer number (15373500441201).

Almost surely, 2^{305045514050512} is an apocalyptic number.

It is an amenable number.

305045514050512 is an abundant number, since it is smaller than the sum of its proper divisors (309894503597528).

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

305045514050512 is a wasteful number, since it uses less digits than its factorization.

305045514050512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800148631 (or 3800148625 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 305045514050512 in words is "three hundred five trillion, forty-five billion, five hundred fourteen million, fifty thousand, five hundred twelve".