306771052040 has 64 divisors (see below), whose sum is σ = 705470472000. Its totient is φ = 120022352640.

The previous prime is 306771052019. The next prime is 306771052057. The reversal of 306771052040 is 40250177603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85571 + ... + 787949.

It is an arithmetic number, because the mean of its divisors is an integer number (11022976125).

Almost surely, 2^306771052040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306771052040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352735236000).

306771052040 is an abundant number, since it is smaller than the sum of its proper divisors (398699419960).

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

306771052040 is a wasteful number, since it uses less digits than its factorization.

306771052040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702630 (or 702626 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 306771052040 in words is "three hundred six billion, seven hundred seventy-one million, fifty-two thousand, forty".