308480256 has 216 divisors, whose sum is σ = 1050975744. Its totient is φ = 85155840.

The previous prime is 308480243. The next prime is 308480309. The reversal of 308480256 is 652084803.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 308480256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499660 + ... + 500276.

Almost surely, 2^308480256 is an apocalyptic number.

308480256 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 308480256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525487872).

308480256 is an abundant number, since it is smaller than the sum of its proper divisors (742495488).

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

308480256 is a wasteful number, since it uses less digits than its factorization.

308480256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 308480256 is about 17563.6060078789. The cubic root of 308480256 is about 675.6821679689.

The spelling of 308480256 in words is "three hundred eight million, four hundred eighty thousand, two hundred fifty-six".