305776140612 has 24 divisors (see below), whose sum is σ = 714260867712. Its totient is φ = 101813493600.

The previous prime is 305776140611. The next prime is 305776140613. The reversal of 305776140612 is 216041677503.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (305776140611) and next prime (305776140613).

It is not an unprimeable number, because it can be changed into a prime (305776140611) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13974439 + ... + 13996302.

It is an arithmetic number, because the mean of its divisors is an integer number (29760869488).

Almost surely, 2^305776140612 is an apocalyptic number.

It is an amenable number.

305776140612 is an abundant number, since it is smaller than the sum of its proper divisors (408484727100).

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

305776140612 is a wasteful number, since it uses less digits than its factorization.

305776140612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27971659 (or 27971657 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 305776140612 in words is "three hundred five billion, seven hundred seventy-six million, one hundred forty thousand, six hundred twelve".