308485665000 has 400 divisors, whose sum is σ = 1084569076800. Its totient is φ = 81892944000.

The previous prime is 308485664959. The next prime is 308485665001. The reversal of 308485665000 is 566584803.

308485665000 is a `hidden beast` number, since 3 + 0 + 8 + 4 + 85 + 66 + 500 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (308485665001) by changing a digit.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 96793407 + ... + 96796593.

It is an arithmetic number, because the mean of its divisors is an integer number (2711422692).

Almost surely, 2^308485665000 is an apocalyptic number.

308485665000 is a gapful number since it is divisible by the number (30) 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 308485665000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542284538400).

308485665000 is an abundant number, since it is smaller than the sum of its proper divisors (776083411800).

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

308485665000 is a wasteful number, since it uses less digits than its factorization.

308485665000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464 (or 3436 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 308485665000 in words is "three hundred eight billion, four hundred eighty-five million, six hundred sixty-five thousand".