306642460656 has 160 divisors (see below), whose sum is σ = 914768673280. Its totient is φ = 86700284928.

The previous prime is 306642460609. The next prime is 306642460681. The reversal of 306642460656 is 656064246603.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32114475 + ... + 32124021.

It is an arithmetic number, because the mean of its divisors is an integer number (5717304208).

Almost surely, 2^306642460656 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 306642460656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457384336640).

306642460656 is an abundant number, since it is smaller than the sum of its proper divisors (608126212624).

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

306642460656 is a wasteful number, since it uses less digits than its factorization.

306642460656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10551 (or 10545 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 306642460656 in words is "three hundred six billion, six hundred forty-two million, four hundred sixty thousand, six hundred fifty-six".