305697680704 has 448 divisors, whose sum is σ = 752119603200. Its totient is φ = 122457194496.

The previous prime is 305697680693. The next prime is 305697680719. The reversal of 305697680704 is 407086796503.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2407068289 + ... + 2407068415.

It is an arithmetic number, because the mean of its divisors is an integer number (1678838400).

Almost surely, 2^305697680704 is an apocalyptic number.

305697680704 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305697680704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376059801600).

305697680704 is an abundant number, since it is smaller than the sum of its proper divisors (446421922496).

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

305697680704 is a wasteful number, since it uses less digits than its factorization.

305697680704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 305697680704 in words is "three hundred five billion, six hundred ninety-seven million, six hundred eighty thousand, seven hundred four".