306115404406512 has 20 divisors (see below), whose sum is σ = 790798128050280. Its totient is φ = 102038468135488.

The previous prime is 306115404406499. The next prime is 306115404406547. The reversal of 306115404406512 is 215604404511603.

It is a super-2 number, since 2×306115404406512² (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 3 ways as a sum of consecutive naturals, for example, 3188702129187 + ... + 3188702129282.

It is an arithmetic number, because the mean of its divisors is an integer number (39539906402514).

Almost surely, 2^{306115404406512} is an apocalyptic number.

It is an amenable number.

306115404406512 is an abundant number, since it is smaller than the sum of its proper divisors (484682723643768).

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

306115404406512 is a wasteful number, since it uses less digits than its factorization.

306115404406512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6377404258480 (or 6377404258474 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 306115404406512 in words is "three hundred six trillion, one hundred fifteen billion, four hundred four million, four hundred six thousand, five hundred twelve".