306702268236 has 1296 divisors, whose sum is σ = 1133444981760. Its totient is φ = 71602030080.

The previous prime is 306702268151. The next prime is 306702268277. The reversal of 306702268236 is 632862207603.

It is a super-2 number, since 2×306702268236² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 306702268191 and 306702268200.

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 431 ways as a sum of consecutive naturals, for example, 9893621541 + ... + 9893621571.

Almost surely, 2^306702268236 is an apocalyptic number.

306702268236 is a gapful number since it is divisible by the number (36) 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 306702268236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566722490880).

306702268236 is an abundant number, since it is smaller than the sum of its proper divisors (826742713524).

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

306702268236 is a wasteful number, since it uses less digits than its factorization.

306702268236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 306702268236 in words is "three hundred six billion, seven hundred two million, two hundred sixty-eight thousand, two hundred thirty-six".