306668745432 has 192 divisors, whose sum is σ = 968955773760. Its totient is φ = 85803494400.

The previous prime is 306668745421. The next prime is 306668745433. The reversal of 306668745432 is 234547866603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306668745433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14440582 + ... + 14461802.

It is an arithmetic number, because the mean of its divisors is an integer number (5046644655).

Almost surely, 2^306668745432 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 306668745432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484477886880).

306668745432 is an abundant number, since it is smaller than the sum of its proper divisors (662287028328).

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

306668745432 is a wasteful number, since it uses less digits than its factorization.

306668745432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21834 (or 21827 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 54.

The spelling of 306668745432 in words is "three hundred six billion, six hundred sixty-eight million, seven hundred forty-five thousand, four hundred thirty-two".