285914463660 has 192 divisors, whose sum is σ = 1016831692800. Its totient is φ = 65336004864.

The previous prime is 285914463647. The next prime is 285914463677. The reversal of 285914463660 is 66364419582.

285914463660 is a `hidden beast` number, since 2 + 8 + 591 + 4 + 46 + 3 + 6 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 285914463597 and 285914463606.

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 63 ways as a sum of consecutive naturals, for example, 23539549 + ... + 23551691.

It is an arithmetic number, because the mean of its divisors is an integer number (5295998400).

Almost surely, 2^285914463660 is an apocalyptic number.

285914463660 is a gapful number since it is divisible by the number (20) 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 285914463660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508415846400).

285914463660 is an abundant number, since it is smaller than the sum of its proper divisors (730917229140).

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

285914463660 is a wasteful number, since it uses less digits than its factorization.

285914463660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18397 (or 18389 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 285914463660 in words is "two hundred eighty-five billion, nine hundred fourteen million, four hundred sixty-three thousand, six hundred sixty".